22500132 has 12 divisors (see below), whose sum is σ = 52500336. Its totient is φ = 7500040.

The previous prime is 22500131. The next prime is 22500151. The reversal of 22500132 is 23100522.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (22500131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 937494 + ... + 937517.

It is an arithmetic number, because the mean of its divisors is an integer number (4375028).

Almost surely, 2^22500132 is an apocalyptic number.

It is an amenable number.

22500132 is an abundant number, since it is smaller than the sum of its proper divisors (30000204).

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

22500132 is a wasteful number, since it uses less digits than its factorization.

22500132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1875018 (or 1875016 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 22500132 is about 4743.4304042539. The cubic root of 22500132 is about 282.3113607377.

Adding to 22500132 its reverse (23100522), we get a palindrome (45600654).

The spelling of 22500132 in words is "twenty-two million, five hundred thousand, one hundred thirty-two".