22712231155 has 16 divisors (see below), whose sum is σ = 27425433600. Its totient is φ = 18056143840.

The previous prime is 22712231119. The next prime is 22712231173. The reversal of 22712231155 is 55113221722.

It is not a de Polignac number, because 22712231155 - 2⁷ = 22712231027 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 961476 + ... + 984814.

It is an arithmetic number, because the mean of its divisors is an integer number (1714089600).

Almost surely, 2^22712231155 is an apocalyptic number.

22712231155 is a deficient number, since it is larger than the sum of its proper divisors (4713202445).

22712231155 is a wasteful number, since it uses less digits than its factorization.

22712231155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24554.

The product of its digits is 8400, while the sum is 31.

Adding to 22712231155 its reverse (55113221722), we get a palindrome (77825452877).

The spelling of 22712231155 in words is "twenty-two billion, seven hundred twelve million, two hundred thirty-one thousand, one hundred fifty-five".