22631142465 has 12 divisors (see below), whose sum is σ = 39227313684. Its totient is φ = 12069942624.

The previous prime is 22631142451. The next prime is 22631142529. The reversal of 22631142465 is 56424113622.

22631142465 is a `hidden beast` number, since 2 + 2 + 631 + 14 + 2 + 4 + 6 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8996143104 + 13634999361 = 94848^2 + 116769^2 .

It is not a de Polignac number, because 22631142465 - 2⁴ = 22631142449 is a prime.

It is a super-2 number, since 2×22631142465² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 251457094 + ... + 251457183.

It is an arithmetic number, because the mean of its divisors is an integer number (3268942807).

Almost surely, 2^22631142465 is an apocalyptic number.

It is an amenable number.

22631142465 is a deficient number, since it is larger than the sum of its proper divisors (16596171219).

22631142465 is a wasteful number, since it uses less digits than its factorization.

22631142465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502914288 (or 502914285 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The spelling of 22631142465 in words is "twenty-two billion, six hundred thirty-one million, one hundred forty-two thousand, four hundred sixty-five".