22163168 has 24 divisors (see below), whose sum is σ = 45532368. Its totient is φ = 10599424.

The previous prime is 22163161. The next prime is 22163201. The reversal of 22163168 is 86136122.

It is a self number, because there is not a number n which added to its sum of digits gives 22163168.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22163161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14321 + ... + 15792.

It is an arithmetic number, because the mean of its divisors is an integer number (1897182).

Almost surely, 2^22163168 is an apocalyptic number.

It is an amenable number.

22163168 is an abundant number, since it is smaller than the sum of its proper divisors (23369200).

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

22163168 is a wasteful number, since it uses less digits than its factorization.

22163168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30146 (or 30138 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The square root of 22163168 is about 4707.7773949073. Note that the first 3 decimals coincide. The cubic root of 22163168 is about 280.8949595366.

The spelling of 22163168 in words is "twenty-two million, one hundred sixty-three thousand, one hundred sixty-eight".