22122915396 has 24 divisors (see below), whose sum is σ = 51631493760. Its totient is φ = 7372682592.

The previous prime is 22122915391. The next prime is 22122915407. The reversal of 22122915396 is 69351922122.

It is not an unprimeable number, because it can be changed into a prime (22122915391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145356 + ... + 255683.

It is an arithmetic number, because the mean of its divisors is an integer number (2151312240).

Almost surely, 2^22122915396 is an apocalyptic number.

It is an amenable number.

22122915396 is an abundant number, since it is smaller than the sum of its proper divisors (29508578364).

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

22122915396 is a wasteful number, since it uses less digits than its factorization.

22122915396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405643 (or 405641 counting only the distinct ones).

The product of its digits is 116640, while the sum is 42.

The spelling of 22122915396 in words is "twenty-two billion, one hundred twenty-two million, nine hundred fifteen thousand, three hundred ninety-six".