22964857 has 2 divisors, whose sum is σ = 22964858. Its totient is φ = 22964856.

The previous prime is 22964849. The next prime is 22964867. The reversal of 22964857 is 75846922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22240656 + 724201 = 4716^2 + 851^2 .

It is a cyclic number.

It is not a de Polignac number, because 22964857 - 2³ = 22964849 is a prime.

It is a super-3 number, since 3×22964857³ (a number of 23 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (22964867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11482428 + 11482429.

It is an arithmetic number, because the mean of its divisors is an integer number (11482429).

Almost surely, 2^22964857 is an apocalyptic number.

It is an amenable number.

22964857 is a deficient number, since it is larger than the sum of its proper divisors (1).

22964857 is an equidigital number, since it uses as much as digits as its factorization.

22964857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 43.

The square root of 22964857 is about 4792.1662116417. The cubic root of 22964857 is about 284.2417806477.

The spelling of 22964857 in words is "twenty-two million, nine hundred sixty-four thousand, eight hundred fifty-seven".