22222131213 has 16 divisors (see below), whose sum is σ = 31886726976. Its totient is φ = 13714717440.

The previous prime is 22222131181. The next prime is 22222131259. The reversal of 22222131213 is 31213122222.

It is not a de Polignac number, because 22222131213 - 2⁵ = 22222131181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22222131213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22222131263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3568431 + ... + 3574652.

It is an arithmetic number, because the mean of its divisors is an integer number (1992920436).

Almost surely, 2^22222131213 is an apocalyptic number.

It is an amenable number.

22222131213 is a deficient number, since it is larger than the sum of its proper divisors (9664595763).

22222131213 is a wasteful number, since it uses less digits than its factorization.

22222131213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7143164.

The product of its digits is 576, while the sum is 21.

Adding to 22222131213 its reverse (31213122222), we get a palindrome (53435253435).

The spelling of 22222131213 in words is "twenty-two billion, two hundred twenty-two million, one hundred thirty-one thousand, two hundred thirteen".