22536668 has 36 divisors (see below), whose sum is σ = 50053752. Its totient is φ = 8779680.

The previous prime is 22536667. The next prime is 22536671. The reversal of 22536668 is 86663522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22536667) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3071 + ... + 7382.

It is an arithmetic number, because the mean of its divisors is an integer number (1390382).

Almost surely, 2^22536668 is an apocalyptic number.

22536668 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22536668 is an abundant number, since it is smaller than the sum of its proper divisors (27517084).

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

22536668 is a wasteful number, since it uses less digits than its factorization.

22536668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10482 (or 10473 counting only the distinct ones).

The product of its digits is 103680, while the sum is 38.

The square root of 22536668 is about 4747.2800633626. The cubic root of 22536668 is about 282.4640850262.

The spelling of 22536668 in words is "twenty-two million, five hundred thirty-six thousand, six hundred sixty-eight".