22256885 has 16 divisors (see below), whose sum is σ = 32131200. Its totient is φ = 14458176.

The previous prime is 22256879. The next prime is 22256933. The reversal of 22256885 is 58865222.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22256885 - 2⁶ = 22256821 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16070 + ... + 17399.

It is an arithmetic number, because the mean of its divisors is an integer number (2008200).

Almost surely, 2^22256885 is an apocalyptic number.

It is an amenable number.

22256885 is a deficient number, since it is larger than the sum of its proper divisors (9874315).

22256885 is a wasteful number, since it uses less digits than its factorization.

22256885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33500.

The product of its digits is 76800, while the sum is 38.

The square root of 22256885 is about 4717.7203181198. The cubic root of 22256885 is about 281.2903244239.

The spelling of 22256885 in words is "twenty-two million, two hundred fifty-six thousand, eight hundred eighty-five".