22464688 has 20 divisors (see below), whose sum is σ = 45816760. Its totient is φ = 10641024.

The previous prime is 22464683. The next prime is 22464703. The reversal of 22464688 is 88646422.

It is a self number, because there is not a number n which added to its sum of digits gives 22464688.

It is not an unprimeable number, because it can be changed into a prime (22464683) by changing a digit.

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

It is an upside-down number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36645 + ... + 37252.

It is an arithmetic number, because the mean of its divisors is an integer number (2290838).

Almost surely, 2^22464688 is an apocalyptic number.

It is an amenable number.

22464688 is an abundant number, since it is smaller than the sum of its proper divisors (23352072).

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

22464688 is a wasteful number, since it uses less digits than its factorization.

22464688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73924 (or 73918 counting only the distinct ones).

The product of its digits is 147456, while the sum is 40.

The square root of 22464688 is about 4739.6928170505. The cubic root of 22464688 is about 282.1630430496.

The spelling of 22464688 in words is "twenty-two million, four hundred sixty-four thousand, six hundred eighty-eight".