22772972 has 24 divisors (see below), whose sum is σ = 42104832. Its totient is φ = 10760400.

The previous prime is 22772951. The next prime is 22772993. The reversal of 22772972 is 27927722.

It is an interprime number because it is at equal distance from previous prime (22772951) and next prime (22772993).

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, 3197 + ... + 7467.

It is an arithmetic number, because the mean of its divisors is an integer number (1754368).

Almost surely, 2^22772972 is an apocalyptic number.

It is an amenable number.

22772972 is a deficient number, since it is larger than the sum of its proper divisors (19331860).

22772972 is a wasteful number, since it uses less digits than its factorization.

22772972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4349 (or 4347 counting only the distinct ones).

The product of its digits is 49392, while the sum is 38.

The square root of 22772972 is about 4772.1035194136. The cubic root of 22772972 is about 283.4478958478.

The spelling of 22772972 in words is "twenty-two million, seven hundred seventy-two thousand, nine hundred seventy-two".