22163124722 has 6 divisors (see below), whose sum is σ = 33245002893. Its totient is φ = 11081457092.

The previous prime is 22163124719. The next prime is 22163124817. The reversal of 22163124722 is 22742136122.

It can be written as a sum of positive squares in 2 ways, for example, as 17691394081 + 4471730641 = 133009^2 + 66871^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=105269.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 157904 + ... + 263172.

Almost surely, 2^22163124722 is an apocalyptic number.

22163124722 is a deficient number, since it is larger than the sum of its proper divisors (11081878171).

22163124722 is an frugal number, since it uses more digits than its factorization.

22163124722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210540 (or 105271 counting only the distinct ones).

The product of its digits is 16128, while the sum is 32.

Multiplying 22163124722 by its sum of digits (32), we get a square (709219991104 = 842152²).

The spelling of 22163124722 in words is "twenty-two billion, one hundred sixty-three million, one hundred twenty-four thousand, seven hundred twenty-two".