22555023132 has 12 divisors (see below), whose sum is σ = 52628387336. Its totient is φ = 7518341040.

The previous prime is 22555023131. The next prime is 22555023137. The reversal of 22555023132 is 23132055522.

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

It is a self number, because there is not a number n which added to its sum of digits gives 22555023132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22555023131) 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, 939792619 + ... + 939792642.

Almost surely, 2^22555023132 is an apocalyptic number.

It is an amenable number.

22555023132 is an abundant number, since it is smaller than the sum of its proper divisors (30073364204).

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

22555023132 is a wasteful number, since it uses less digits than its factorization.

22555023132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879585268 (or 1879585266 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 22555023132 its reverse (23132055522), we get a palindrome (45687078654).

The spelling of 22555023132 in words is "twenty-two billion, five hundred fifty-five million, twenty-three thousand, one hundred thirty-two".