22100131232 has 24 divisors (see below), whose sum is σ = 43571045700. Its totient is φ = 11034468864.

The previous prime is 22100131211. The next prime is 22100131241. The reversal of 22100131232 is 23213100122.

It can be written as a sum of positive squares in 2 ways, for example, as 21997635856 + 102495376 = 148316^2 + 10124^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22100131232.

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, 464357 + ... + 509732.

Almost surely, 2^22100131232 is an apocalyptic number.

It is an amenable number.

22100131232 is a deficient number, since it is larger than the sum of its proper divisors (21470914468).

22100131232 is an equidigital number, since it uses as much as digits as its factorization.

22100131232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974808 (or 974800 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 22100131232 its reverse (23213100122), we get a palindrome (45313231354).

The spelling of 22100131232 in words is "twenty-two billion, one hundred million, one hundred thirty-one thousand, two hundred thirty-two".