22775372 has 18 divisors (see below), whose sum is σ = 40643148. Its totient is φ = 11167312.

The previous prime is 22775369. The next prime is 22775381. The reversal of 22775372 is 27357722.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10223 + ... + 12249.

Almost surely, 2^22775372 is an apocalyptic number.

It is an amenable number.

22775372 is a deficient number, since it is larger than the sum of its proper divisors (17867776).

22775372 is a wasteful number, since it uses less digits than its factorization.

22775372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2137 (or 2082 counting only the distinct ones).

The product of its digits is 41160, while the sum is 35.

The square root of 22775372 is about 4772.3549742239. The cubic root of 22775372 is about 283.4578528421.

The spelling of 22775372 in words is "twenty-two million, seven hundred seventy-five thousand, three hundred seventy-two".