22918968 has 24 divisors (see below), whose sum is σ = 62072400. Its totient is φ = 7639632.

The previous prime is 22918967. The next prime is 22918969. The reversal of 22918968 is 86981922.

It is an interprime number because it is at equal distance from previous prime (22918967) and next prime (22918969).

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22918967) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 159088 + ... + 159231.

It is an arithmetic number, because the mean of its divisors is an integer number (2586350).

Almost surely, 2^22918968 is an apocalyptic number.

It is an amenable number.

22918968 is an abundant number, since it is smaller than the sum of its proper divisors (39153432).

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

22918968 is a wasteful number, since it uses less digits than its factorization.

22918968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318331 (or 318324 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 22918968 is about 4787.3758991748. The cubic root of 22918968 is about 284.0523278570.

The spelling of 22918968 in words is "twenty-two million, nine hundred eighteen thousand, nine hundred sixty-eight".