22865456 has 20 divisors (see below), whose sum is σ = 45830400. Its totient is φ = 11038272.

The previous prime is 22865441. The next prime is 22865467. The reversal of 22865456 is 65456822.

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, 24176 + ... + 25103.

It is an arithmetic number, because the mean of its divisors is an integer number (2291520).

Almost surely, 2^22865456 is an apocalyptic number.

It is an amenable number.

22865456 is an abundant number, since it is smaller than the sum of its proper divisors (22964944).

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

22865456 is a wasteful number, since it uses less digits than its factorization.

22865456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49316 (or 49310 counting only the distinct ones).

The product of its digits is 115200, while the sum is 38.

The square root of 22865456 is about 4781.7837675913. The cubic root of 22865456 is about 283.8310838416.

The spelling of 22865456 in words is "twenty-two million, eight hundred sixty-five thousand, four hundred fifty-six".