22994689 has 2 divisors, whose sum is σ = 22994690. Its totient is φ = 22994688.

The previous prime is 22994683. The next prime is 22994701. The reversal of 22994689 is 98649922.

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., 22724289 + 270400 = 4767^2 + 520^2 .

It is a cyclic number.

It is not a de Polignac number, because 22994689 - 2⁹ = 22994177 is a prime.

It is not a weakly prime, because it can be changed into another prime (22994683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11497344 + 11497345.

It is an arithmetic number, because the mean of its divisors is an integer number (11497345).

Almost surely, 2^22994689 is an apocalyptic number.

It is an amenable number.

22994689 is a deficient number, since it is larger than the sum of its proper divisors (1).

22994689 is an equidigital number, since it uses as much as digits as its factorization.

22994689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 559872, while the sum is 49.

The square root of 22994689 is about 4795.2777813178. The cubic root of 22994689 is about 284.3648067674.

The spelling of 22994689 in words is "twenty-two million, nine hundred ninety-four thousand, six hundred eighty-nine".