22558972 has 12 divisors (see below), whose sum is σ = 40034736. Its totient is φ = 11120480.

The previous prime is 22558951. The next prime is 22559029. The reversal of 22558972 is 27985522.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39433 + ... + 40000.

It is an arithmetic number, because the mean of its divisors is an integer number (3336228).

Almost surely, 2^22558972 is an apocalyptic number.

It is an amenable number.

22558972 is a deficient number, since it is larger than the sum of its proper divisors (17475764).

22558972 is a wasteful number, since it uses less digits than its factorization.

22558972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79508 (or 79506 counting only the distinct ones).

The product of its digits is 100800, while the sum is 40.

The square root of 22558972 is about 4749.6286170605. The cubic root of 22558972 is about 282.5572369472.

The spelling of 22558972 in words is "twenty-two million, five hundred fifty-eight thousand, nine hundred seventy-two".