22772976 has 20 divisors (see below), whose sum is σ = 58830312. Its totient is φ = 7590976.

The previous prime is 22772951. The next prime is 22772993. The reversal of 22772976 is 67927722.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237171 + ... + 237266.

Almost surely, 2^22772976 is an apocalyptic number.

It is an amenable number.

22772976 is an abundant number, since it is smaller than the sum of its proper divisors (36057336).

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

22772976 is a wasteful number, since it uses less digits than its factorization.

22772976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474448 (or 474442 counting only the distinct ones).

The product of its digits is 148176, while the sum is 42.

The square root of 22772976 is about 4772.1039385160. The cubic root of 22772976 is about 283.4479124434.

It can be divided in two parts, 2277 and 2976, that added together give a triangular number (5253 = T₁₀₂).

The spelling of 22772976 in words is "twenty-two million, seven hundred seventy-two thousand, nine hundred seventy-six".