22164868 has 24 divisors (see below), whose sum is σ = 44543520. Its totient is φ = 9544320.

The previous prime is 22164841. The next prime is 22164869. The reversal of 22164868 is 86846122.

It is not an unprimeable number, because it can be changed into a prime (22164869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12421 + ... + 14092.

It is an arithmetic number, because the mean of its divisors is an integer number (1855980).

Almost surely, 2^22164868 is an apocalyptic number.

It is an amenable number.

22164868 is an abundant number, since it is smaller than the sum of its proper divisors (22378652).

22164868 is a wasteful number, since it uses less digits than its factorization.

22164868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26547 (or 26545 counting only the distinct ones).

The product of its digits is 36864, while the sum is 37.

The square root of 22164868 is about 4707.9579437374. The cubic root of 22164868 is about 280.9021412600.

It can be divided in two parts, 22164 and 868, that added together give a palindrome (23032).

The spelling of 22164868 in words is "twenty-two million, one hundred sixty-four thousand, eight hundred sixty-eight".