22968657 has 8 divisors (see below), whose sum is σ = 34027680. Its totient is φ = 15312420.

The previous prime is 22968653. The next prime is 22968661. The reversal of 22968657 is 75686922.

It is an interprime number because it is at equal distance from previous prime (22968653) and next prime (22968661).

It is not a de Polignac number, because 22968657 - 2² = 22968653 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22968653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425319 + ... + 425372.

It is an arithmetic number, because the mean of its divisors is an integer number (4253460).

Almost surely, 2^22968657 is an apocalyptic number.

22968657 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

22968657 is a deficient number, since it is larger than the sum of its proper divisors (11059023).

22968657 is an equidigital number, since it uses as much as digits as its factorization.

22968657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850700 (or 850694 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 22968657 is about 4792.5626756465. The cubic root of 22968657 is about 284.2574576332.

It can be divided in two parts, 229 and 68657, that added together give a palindrome (68886).

The spelling of 22968657 in words is "twenty-two million, nine hundred sixty-eight thousand, six hundred fifty-seven".