22918874 has 16 divisors (see below), whose sum is σ = 38797920. Its totient is φ = 10058160.

The previous prime is 22918849. The next prime is 22918897. The reversal of 22918874 is 47881922.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17324 + ... + 18599.

It is an arithmetic number, because the mean of its divisors is an integer number (2424870).

Almost surely, 2^22918874 is an apocalyptic number.

22918874 is a deficient number, since it is larger than the sum of its proper divisors (15879046).

22918874 is a wasteful number, since it uses less digits than its factorization.

22918874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35965.

The product of its digits is 64512, while the sum is 41.

The square root of 22918874 is about 4787.3660816779. The cubic root of 22918874 is about 284.0519395185.

The spelling of 22918874 in words is "twenty-two million, nine hundred eighteen thousand, eight hundred seventy-four".