22968817 has 4 divisors (see below), whose sum is σ = 23003620. Its totient is φ = 22934016.

The previous prime is 22968811. The next prime is 22968857. The reversal of 22968817 is 71886922.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4999696 + 17969121 = 2236^2 + 4239^2 .

It is a cyclic number.

It is not a de Polignac number, because 22968817 - 2³ = 22968809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22968811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16392 + ... + 17737.

It is an arithmetic number, because the mean of its divisors is an integer number (5750905).

Almost surely, 2^22968817 is an apocalyptic number.

It is an amenable number.

22968817 is a deficient number, since it is larger than the sum of its proper divisors (34803).

22968817 is an equidigital number, since it uses as much as digits as its factorization.

22968817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34802.

The product of its digits is 96768, while the sum is 43.

The square root of 22968817 is about 4792.5793681482. The cubic root of 22968817 is about 284.2581176789.

The spelling of 22968817 in words is "twenty-two million, nine hundred sixty-eight thousand, eight hundred seventeen".