22264732 has 24 divisors (see below), whose sum is σ = 46874240. Its totient is φ = 9039600.

The previous prime is 22264709. The next prime is 22264741. The reversal of 22264732 is 23746222.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 22264732.

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, 20394 + ... + 21457.

Almost surely, 2^22264732 is an apocalyptic number.

It is an amenable number.

22264732 is an abundant number, since it is smaller than the sum of its proper divisors (24609508).

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

22264732 is a wasteful number, since it uses less digits than its factorization.

22264732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41881 (or 41879 counting only the distinct ones).

The product of its digits is 8064, while the sum is 28.

The square root of 22264732 is about 4718.5518965038. The cubic root of 22264732 is about 281.3233782531.

The spelling of 22264732 in words is "twenty-two million, two hundred sixty-four thousand, seven hundred thirty-two".