22504068 has 30 divisors (see below), whose sum is σ = 58830926. Its totient is φ = 7501248.

The previous prime is 22504061. The next prime is 22504081. The reversal of 22504068 is 86040522.

22504068 is a `hidden beast` number, since 2 + 250 + 406 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 15116544 + 7387524 = 3888^2 + 2718^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22504061) 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 9 ways as a sum of consecutive naturals, for example, 34405 + ... + 35052.

Almost surely, 2^22504068 is an apocalyptic number.

It is an amenable number.

22504068 is an abundant number, since it is smaller than the sum of its proper divisors (36326858).

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

22504068 is a wasteful number, since it uses less digits than its factorization.

22504068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69473 (or 69462 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 22504068 is about 4743.8452757231. The cubic root of 22504068 is about 282.3278215704.

The spelling of 22504068 in words is "twenty-two million, five hundred four thousand, sixty-eight".