22772364 has 24 divisors (see below), whose sum is σ = 53256000. Its totient is φ = 7573584.

The previous prime is 22772363. The next prime is 22772377. The reversal of 22772364 is 46327722.

It is not an unprimeable number, because it can be changed into a prime (22772363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4087 + ... + 7889.

It is an arithmetic number, because the mean of its divisors is an integer number (2219000).

Almost surely, 2^22772364 is an apocalyptic number.

It is an amenable number.

22772364 is an abundant number, since it is smaller than the sum of its proper divisors (30483636).

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

22772364 is a wasteful number, since it uses less digits than its factorization.

22772364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4309 (or 4307 counting only the distinct ones).

The product of its digits is 28224, while the sum is 33.

The square root of 22772364 is about 4772.0398154248. The cubic root of 22772364 is about 283.4453732982.

Subtracting from 22772364 its product of digits (28224), we obtain a triangular number (22744140 = T₆₇₄₄).

The spelling of 22772364 in words is "twenty-two million, seven hundred seventy-two thousand, three hundred sixty-four".