922
RFC 922 extended broadcasting to subnets.
- Even
- Composite
Where 922 fits
Why 922 is special
It defines the directed broadcast that Smurf amplification attacks later exploited, which is why routers now discard it by default.
Factors & digit properties
- Divisors (4)
- 1, 2, 461, 922
- Prime factorisation
- 2 × 461
- Digit sum
- 13
- Digital root
- 4
Representations
- Decimal
- 922
- Binary
- 1110011010
- Octal
- 1632
- Hexadecimal
- 39a
- Roman numeral
- CMXXII
- Scientific notation
- 9.220 × 10^2
Other mathematical patterns
- Deficient number
- Semiprime
Related numbers & connections
One settled what a broadcast address means and the other extended it to subnets, creating the directed broadcast later abused.
View 919 →Directed broadcast made Smurf amplification possible, which is why routers now discard it by default.
View 4732 →Technology & computing
RFC 922 specified broadcasting in the presence of subnets, including directed broadcast. Its use in Smurf amplification attacks led to routers disabling forwarding of such traffic by default.
DocumentedTechnology & computingGeography: International — IETFPeriod: 1984
Common questions
Is 922 a prime number?
No, 922 is not prime.
What are the factors of 922?
The factors of 922 are 1, 2, 461, 922.
What is 922 in Roman numerals?
922 in Roman numerals is CMXXII.
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: 3 August 2026