122272896 has 32 divisors (see below), whose sum is σ = 324788400. Its totient is φ = 40757504.

The previous prime is 122272877. The next prime is 122272919. The reversal of 122272896 is 698272221.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×122272896² = 29901322192453632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158826 + ... + 159593.

Almost surely, 2^122272896 is an apocalyptic number.

122272896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

122272896 is an abundant number, since it is smaller than the sum of its proper divisors (202515504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122272896 is an equidigital number, since it uses as much as digits as its factorization.

122272896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318436 (or 318424 counting only the distinct ones).

The product of its digits is 48384, while the sum is 39.

The square root of 122272896 is about 11057.7075381835. The cubic root of 122272896 is about 496.3370930856.

The spelling of 122272896 in words is "one hundred twenty-two million, two hundred seventy-two thousand, eight hundred ninety-six".