22972970251 has 32 divisors (see below), whose sum is σ = 29357591040. Its totient is φ = 17458848000.

The previous prime is 22972970249. The next prime is 22972970261. The reversal of 22972970251 is 15207927922.

It is a happy number.

It is not a de Polignac number, because 22972970251 - 2¹ = 22972970249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22972970261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 499015 + ... + 543103.

It is an arithmetic number, because the mean of its divisors is an integer number (917424720).

Almost surely, 2^22972970251 is an apocalyptic number.

22972970251 is a deficient number, since it is larger than the sum of its proper divisors (6384620789).

22972970251 is a wasteful number, since it uses less digits than its factorization.

22972970251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44275.

The product of its (nonzero) digits is 317520, while the sum is 46.

The spelling of 22972970251 in words is "twenty-two billion, nine hundred seventy-two million, nine hundred seventy thousand, two hundred fifty-one".