22566432 has 48 divisors (see below), whose sum is σ = 67701312. Its totient is φ = 6447360.

The previous prime is 22566431. The next prime is 22566457. The reversal of 22566432 is 23466522.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 22566432.

It is not an unprimeable number, because it can be changed into a prime (22566431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16119 + ... + 17462.

It is an arithmetic number, because the mean of its divisors is an integer number (1410444).

Almost surely, 2^22566432 is an apocalyptic number.

It is an amenable number.

22566432 is an abundant number, since it is smaller than the sum of its proper divisors (45134880).

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

22566432 is a wasteful number, since it uses less digits than its factorization.

22566432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33601 (or 33593 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

The square root of 22566432 is about 4750.4138767059. The cubic root of 22566432 is about 282.5883796884.

The spelling of 22566432 in words is "twenty-two million, five hundred sixty-six thousand, four hundred thirty-two".