22772960 has 48 divisors (see below), whose sum is σ = 61490016. Its totient is φ = 7807488.

The previous prime is 22772951. The next prime is 22772993. The reversal of 22772960 is 6927722.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 22772960.

It is a congruent number.

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, 9047 + ... + 11286.

It is an arithmetic number, because the mean of its divisors is an integer number (1281042).

Almost surely, 2^22772960 is an apocalyptic number.

22772960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22772960 is an abundant number, since it is smaller than the sum of its proper divisors (38717056).

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

22772960 is a wasteful number, since it uses less digits than its factorization.

22772960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20355 (or 20347 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 22772960 is about 4772.1022621063. The cubic root of 22772960 is about 283.4478460611.

It can be divided in two parts, 22772 and 960, that added together give a palindrome (23732).

The spelling of 22772960 in words is "twenty-two million, seven hundred seventy-two thousand, nine hundred sixty".