22122131202 has 24 divisors (see below), whose sum is σ = 48405855420. Its totient is φ = 7301032800.

The previous prime is 22122131173. The next prime is 22122131233. The reversal of 22122131202 is 20213122122.

It can be written as a sum of positive squares in 2 ways, for example, as 20180759481 + 1941371721 = 142059^2 + 44061^2 .

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

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, 6082377 + ... + 6086012.

Almost surely, 2^22122131202 is an apocalyptic number.

22122131202 is an abundant number, since it is smaller than the sum of its proper divisors (26283724218).

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

22122131202 is a wasteful number, since it uses less digits than its factorization.

22122131202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12168498 (or 12168495 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 22122131202 its reverse (20213122122), we get a palindrome (42335253324).

The spelling of 22122131202 in words is "twenty-two billion, one hundred twenty-two million, one hundred thirty-one thousand, two hundred two".