22651516312 has 32 divisors (see below), whose sum is σ = 45585968400. Its totient is φ = 10513511424.

The previous prime is 22651516297. The next prime is 22651516331. The reversal of 22651516312 is 21361515622.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1130862 + ... + 1150717.

Almost surely, 2^22651516312 is an apocalyptic number.

It is an amenable number.

22651516312 is an abundant number, since it is smaller than the sum of its proper divisors (22934452088).

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

22651516312 is a wasteful number, since it uses less digits than its factorization.

22651516312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2281675 (or 2281671 counting only the distinct ones).

The product of its digits is 21600, while the sum is 34.

The spelling of 22651516312 in words is "twenty-two billion, six hundred fifty-one million, five hundred sixteen thousand, three hundred twelve".