22784924722 has 32 divisors (see below), whose sum is σ = 39357811584. Its totient is φ = 9690710400.

The previous prime is 22784924719. The next prime is 22784924791. The reversal of 22784924722 is 22742948722.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1235038 + ... + 1253350.

It is an arithmetic number, because the mean of its divisors is an integer number (1229931612).

Almost surely, 2^22784924722 is an apocalyptic number.

22784924722 is a deficient number, since it is larger than the sum of its proper divisors (16572886862).

22784924722 is a wasteful number, since it uses less digits than its factorization.

22784924722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18994.

The product of its digits is 1806336, while the sum is 49.

The spelling of 22784924722 in words is "twenty-two billion, seven hundred eighty-four million, nine hundred twenty-four thousand, seven hundred twenty-two".