22163120564 has 24 divisors (see below), whose sum is σ = 42002321760. Its totient is φ = 10171982304.

The previous prime is 22163120557. The next prime is 22163120641. The reversal of 22163120564 is 46502136122.

It is a self number, because there is not a number n which added to its sum of digits gives 22163120564.

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, 1181234 + ... + 1199849.

It is an arithmetic number, because the mean of its divisors is an integer number (1750096740).

Almost surely, 2^22163120564 is an apocalyptic number.

It is an amenable number.

22163120564 is a deficient number, since it is larger than the sum of its proper divisors (19839201196).

22163120564 is a wasteful number, since it uses less digits than its factorization.

22163120564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2381279 (or 2381277 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 22163120564 its reverse (46502136122), we get a palindrome (68665256686).

The spelling of 22163120564 in words is "twenty-two billion, one hundred sixty-three million, one hundred twenty thousand, five hundred sixty-four".