22131525222 has 12 divisors (see below), whose sum is σ = 47951638020. Its totient is φ = 7377175068.

The previous prime is 22131525217. The next prime is 22131525263. The reversal of 22131525222 is 22252513122.

22131525222 is a `hidden beast` number, since 2 + 2 + 131 + 5 + 2 + 522 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 614764572 + ... + 614764607.

It is an arithmetic number, because the mean of its divisors is an integer number (3995969835).

Almost surely, 2^22131525222 is an apocalyptic number.

22131525222 is an abundant number, since it is smaller than the sum of its proper divisors (25820112798).

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

22131525222 is a wasteful number, since it uses less digits than its factorization.

22131525222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229529187 (or 1229529184 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The spelling of 22131525222 in words is "twenty-two billion, one hundred thirty-one million, five hundred twenty-five thousand, two hundred twenty-two".