22512079215 has 12 divisors (see below), whose sum is σ = 39020937384. Its totient is φ = 12006442224.

The previous prime is 22512079207. The next prime is 22512079217. The reversal of 22512079215 is 51297021522.

It is not a de Polignac number, because 22512079215 - 2³ = 22512079207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22512079215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22512079217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 250134169 + ... + 250134258.

It is an arithmetic number, because the mean of its divisors is an integer number (3251744782).

Almost surely, 2^22512079215 is an apocalyptic number.

22512079215 is a deficient number, since it is larger than the sum of its proper divisors (16508858169).

22512079215 is a wasteful number, since it uses less digits than its factorization.

22512079215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500268438 (or 500268435 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The spelling of 22512079215 in words is "twenty-two billion, five hundred twelve million, seventy-nine thousand, two hundred fifteen".