22164647604 has 24 divisors (see below), whose sum is σ = 56419103328. Its totient is φ = 6716559840.

The previous prime is 22164647563. The next prime is 22164647621. The reversal of 22164647604 is 40674646122.

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, 83956867 + ... + 83957130.

It is an arithmetic number, because the mean of its divisors is an integer number (2350795972).

Almost surely, 2^22164647604 is an apocalyptic number.

It is an amenable number.

22164647604 is an abundant number, since it is smaller than the sum of its proper divisors (34254455724).

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

22164647604 is a wasteful number, since it uses less digits than its factorization.

22164647604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167914015 (or 167914013 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 42.

The spelling of 22164647604 in words is "twenty-two billion, one hundred sixty-four million, six hundred forty-seven thousand, six hundred four".