1222
1222 is a year in the 13th century. The University of Padua was founded by scholars leaving Bologna (Italy).
- Even
- Composite
Where 1222 fits
Why 1222 is special
1222 has a profile because of what happened in it rather than because of any property of the number: the University of Padua was founded by scholars leaving Bologna (Italy).
1222 is part of
Factors & digit properties
- Divisors (8)
- 1, 2, 13, 26, 47, 94, 611, 1222
- Prime factorisation
- 2 × 13 × 47
- Digit sum
- 7
- Digital root
- 7
Representations
- Decimal
- 1222
- Scientific notation
- 1.222 × 10^3
Roman numerals
M C C X X I I
Binary
1 0 0 1 1 0 0 0 1 1 0
1 × 1,024 + 0 × 512 + 0 × 256 + 1 × 128 + 1 × 64 + 0 × 32 + 0 × 16 + 0 × 8 + 1 × 4 + 1 × 2 + 0 × 1 = 1,222
Octal
2 3 0 6
2 × 512 + 3 × 64 + 0 × 8 + 6 × 1 = 1,222
Hexadecimal
4 c 6
4 × 256 + c × 16 + 6 × 1 = 1,222
Read as powers of two: 1,024 + 128 + 64 + 4 + 2 = 1,222.
In historical numeral systems
Egyptian
1 lotus, 2 coils of rope, 2 hobbles, 2 strokes
1 × 1,000 + 2 × 100 + 2 × 10 + 2 × 1 = 1,222. The signs are simply repeated and added; where they sit on the line is a matter of layout, not value.
Babylonian
2 corner wedges (sixties place), 2 corner wedges + 2 vertical wedges (units place)
20 × 60 + 22 = 1222. Places are separated by a space on the tablet, with the higher place written first.
Systems that simply cannot reach this value are left out. Where a script needs a font most readers do not have, the reading is given instead of the glyphs — see number systems for each system in full.
Other mathematical patterns
- Deficient number
- Happy number
Related numbers & connections
1222 is a year in the 13th century, in the 1220s.
Numbers Around Us
- appears inHistorical years
why?
Strength 0.50, confidence "high".
History
In 1222, the University of Padua was founded by scholars leaving Bologna (Italy).
DocumentedHistoryGeography: ItalyPeriod: 1222
Common questions
Is 1222 a prime number?
No, 1222 is not prime.
What are the factors of 1222?
The factors of 1222 are 1, 2, 13, 26, 47, 94, 611, 1222.
What is 1222 in Roman numerals?
1222 in Roman numerals is MCCXXII.
About this page's data
Mathematical facts:computed directly from the number's value — nothing to source or verify externally.
Contextual records: 1 reviewer-confirmed record, sourced and reviewed before publication.
Last reviewed: 15 July 2026