22122425212 has 6 divisors (see below), whose sum is σ = 38714244128. Its totient is φ = 11061212604.

The previous prime is 22122425209. The next prime is 22122425239. The reversal of 22122425212 is 21252422122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2765303148 + ... + 2765303155.

Almost surely, 2^22122425212 is an apocalyptic number.

It is an amenable number.

22122425212 is a deficient number, since it is larger than the sum of its proper divisors (16591818916).

22122425212 is a wasteful number, since it uses less digits than its factorization.

22122425212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5530606307 (or 5530606305 counting only the distinct ones).

The product of its digits is 2560, while the sum is 25.

Adding to 22122425212 its reverse (21252422122), we get a palindrome (43374847334).

The spelling of 22122425212 in words is "twenty-two billion, one hundred twenty-two million, four hundred twenty-five thousand, two hundred twelve".