22751864 has 16 divisors (see below), whose sum is σ = 42973200. Its totient is φ = 11292352.

The previous prime is 22751857. The next prime is 22751887. The reversal of 22751864 is 46815722.

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, 9284 + ... + 11475.

It is an arithmetic number, because the mean of its divisors is an integer number (2685825).

Almost surely, 2^22751864 is an apocalyptic number.

It is an amenable number.

22751864 is a deficient number, since it is larger than the sum of its proper divisors (20221336).

22751864 is a wasteful number, since it uses less digits than its factorization.

22751864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20902 (or 20898 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 22751864 is about 4769.8914033760. The cubic root of 22751864 is about 283.3602939358.

The spelling of 22751864 in words is "twenty-two million, seven hundred fifty-one thousand, eight hundred sixty-four".