22732216644 has 96 divisors (see below), whose sum is σ = 54960280704. Its totient is φ = 7308887040.

The previous prime is 22732216609. The next prime is 22732216651. The reversal of 22732216644 is 44661223722.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19545607 + ... + 19546769.

It is an arithmetic number, because the mean of its divisors is an integer number (572502924).

Almost surely, 2^22732216644 is an apocalyptic number.

It is an amenable number.

22732216644 is an abundant number, since it is smaller than the sum of its proper divisors (32228064060).

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

22732216644 is a wasteful number, since it uses less digits than its factorization.

22732216644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1717 (or 1715 counting only the distinct ones).

The product of its digits is 193536, while the sum is 39.

The spelling of 22732216644 in words is "twenty-two billion, seven hundred thirty-two million, two hundred sixteen thousand, six hundred forty-four".