22968618 has 32 divisors (see below), whose sum is σ = 47554560. Its totient is φ = 7391280.

The previous prime is 22968611. The next prime is 22968619. The reversal of 22968618 is 81686922.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22968618.

It is not an unprimeable number, because it can be changed into a prime (22968611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21763 + ... + 22793.

It is an arithmetic number, because the mean of its divisors is an integer number (1486080).

Almost surely, 2^22968618 is an apocalyptic number.

22968618 is an abundant number, since it is smaller than the sum of its proper divisors (24585942).

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

22968618 is a wasteful number, since it uses less digits than its factorization.

22968618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162.

The product of its digits is 82944, while the sum is 42.

The square root of 22968618 is about 4792.5586068404. The cubic root of 22968618 is about 284.2572967466.

The spelling of 22968618 in words is "twenty-two million, nine hundred sixty-eight thousand, six hundred eighteen".