22531642616 has 16 divisors (see below), whose sum is σ = 48282091440. Its totient is φ = 9656418240.

The previous prime is 22531642607. The next prime is 22531642633. The reversal of 22531642616 is 61624613522.

It is a self number, because there is not a number n which added to its sum of digits gives 22531642616.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201175325 + ... + 201175436.

It is an arithmetic number, because the mean of its divisors is an integer number (3017630715).

Almost surely, 2^22531642616 is an apocalyptic number.

It is an amenable number.

22531642616 is an abundant number, since it is smaller than the sum of its proper divisors (25750448824).

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

22531642616 is a wasteful number, since it uses less digits than its factorization.

22531642616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402350774 (or 402350770 counting only the distinct ones).

The product of its digits is 103680, while the sum is 38.

The spelling of 22531642616 in words is "twenty-two billion, five hundred thirty-one million, six hundred forty-two thousand, six hundred sixteen".