22200231132 has 36 divisors (see below), whose sum is σ = 57485968176. Its totient is φ = 7219586880.

The previous prime is 22200231113. The next prime is 22200231181. The reversal of 22200231132 is 23113200222.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7518928 + ... + 7521879.

Almost surely, 2^22200231132 is an apocalyptic number.

It is an amenable number.

22200231132 is an abundant number, since it is smaller than the sum of its proper divisors (35285737044).

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

22200231132 is a wasteful number, since it uses less digits than its factorization.

22200231132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15040858 (or 15040853 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 22200231132 its reverse (23113200222), we get a palindrome (45313431354).

The spelling of 22200231132 in words is "twenty-two billion, two hundred million, two hundred thirty-one thousand, one hundred thirty-two".