22456128 has 28 divisors (see below), whose sum is σ = 59415680. Its totient is φ = 7485312.

The previous prime is 22456117. The next prime is 22456169. The reversal of 22456128 is 82165422.

It is a junction number, because it is equal to n+sod(n) for n = 22456095 and 22456104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58288 + ... + 58671.

Almost surely, 2^22456128 is an apocalyptic number.

It is an amenable number.

22456128 is an abundant number, since it is smaller than the sum of its proper divisors (36959552).

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

22456128 is a wasteful number, since it uses less digits than its factorization.

22456128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116974 (or 116964 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

The square root of 22456128 is about 4738.7897189050. The cubic root of 22456128 is about 282.1271997965.

The spelling of 22456128 in words is "twenty-two million, four hundred fifty-six thousand, one hundred twenty-eight".