22321312132 has 12 divisors (see below), whose sum is σ = 44642624320. Its totient is φ = 9566276616.

The previous prime is 22321312121. The next prime is 22321312177. The reversal of 22321312132 is 23121312322.

22321312132 is an admirable number.

It is a super-3 number, since 3×22321312132³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 398594832 + ... + 398594887.

Almost surely, 2^22321312132 is an apocalyptic number.

It is an amenable number.

22321312132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22321312132 is a wasteful number, since it uses less digits than its factorization.

22321312132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797189730 (or 797189728 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

Adding to 22321312132 its reverse (23121312322), we get a palindrome (45442624454).

The spelling of 22321312132 in words is "twenty-two billion, three hundred twenty-one million, three hundred twelve thousand, one hundred thirty-two".