22772432 has 10 divisors (see below), whose sum is σ = 44121618. Its totient is φ = 11386208.

The previous prime is 22772419. The next prime is 22772441. The reversal of 22772432 is 23427722.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 13868176 + 8904256 = 3724^2 + 2984^2 .

It is a super-3 number, since 3×22772432³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22772395 and 22772404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711623 + ... + 711654.

Almost surely, 2^22772432 is an apocalyptic number.

It is an amenable number.

22772432 is a deficient number, since it is larger than the sum of its proper divisors (21349186).

22772432 is a wasteful number, since it uses less digits than its factorization.

22772432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423285 (or 1423279 counting only the distinct ones).

The product of its digits is 9408, while the sum is 29.

The square root of 22772432 is about 4772.0469402553. The cubic root of 22772432 is about 283.4456554277.

The spelling of 22772432 in words is "twenty-two million, seven hundred seventy-two thousand, four hundred thirty-two".