22964489 has 2 divisors, whose sum is σ = 22964490. Its totient is φ = 22964488.

The previous prime is 22964477. The next prime is 22964507. The reversal of 22964489 is 98446922.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22963264 + 1225 = 4792^2 + 35^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22964489 is a prime.

It is a super-2 number, since 2×22964489² = 1054735510062242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22964429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11482244 + 11482245.

It is an arithmetic number, because the mean of its divisors is an integer number (11482245).

Almost surely, 2^22964489 is an apocalyptic number.

It is an amenable number.

22964489 is a deficient number, since it is larger than the sum of its proper divisors (1).

22964489 is an equidigital number, since it uses as much as digits as its factorization.

22964489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 44.

The square root of 22964489 is about 4792.1278154907. The cubic root of 22964489 is about 284.2402623635.

The spelling of 22964489 in words is "twenty-two million, nine hundred sixty-four thousand, four hundred eighty-nine".