22772488 has 32 divisors (see below), whose sum is σ = 45208800. Its totient is φ = 10723968.

The previous prime is 22772483. The next prime is 22772527. The reversal of 22772488 is 88427722.

It is a self number, because there is not a number n which added to its sum of digits gives 22772488.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22772483) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 35095 + ... + 35737.

It is an arithmetic number, because the mean of its divisors is an integer number (1412775).

Almost surely, 2^22772488 is an apocalyptic number.

It is an amenable number.

22772488 is a deficient number, since it is larger than the sum of its proper divisors (22436312).

22772488 is a wasteful number, since it uses less digits than its factorization.

22772488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901 (or 897 counting only the distinct ones).

The product of its digits is 100352, while the sum is 40.

The square root of 22772488 is about 4772.0528077548. The cubic root of 22772488 is about 283.4458877692.

The spelling of 22772488 in words is "twenty-two million, seven hundred seventy-two thousand, four hundred eighty-eight".