22685256 has 48 divisors (see below), whose sum is σ = 67026960. Its totient is φ = 6874080.

The previous prime is 22685237. The next prime is 22685263. The reversal of 22685256 is 65258622.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 22685256.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13530 + ... + 15113.

It is an arithmetic number, because the mean of its divisors is an integer number (1396395).

Almost surely, 2^22685256 is an apocalyptic number.

It is an amenable number.

22685256 is an abundant number, since it is smaller than the sum of its proper divisors (44341704).

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

22685256 is a wasteful number, since it uses less digits than its factorization.

22685256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28666 (or 28659 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 22685256 is about 4762.9041560796. The cubic root of 22685256 is about 283.0835032673.

The spelling of 22685256 in words is "twenty-two million, six hundred eighty-five thousand, two hundred fifty-six".