22869689 has 2 divisors, whose sum is σ = 22869690. Its totient is φ = 22869688.

The previous prime is 22869647. The next prime is 22869697. The reversal of 22869689 is 98696822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22090000 + 779689 = 4700^2 + 883^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22869689 is a prime.

It is not a weakly prime, because it can be changed into another prime (22869619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11434844 + 11434845.

It is an arithmetic number, because the mean of its divisors is an integer number (11434845).

Almost surely, 2^22869689 is an apocalyptic number.

It is an amenable number.

22869689 is a deficient number, since it is larger than the sum of its proper divisors (1).

22869689 is an equidigital number, since it uses as much as digits as its factorization.

22869689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 746496, while the sum is 50.

The square root of 22869689 is about 4782.2263643621. The cubic root of 22869689 is about 283.8485976383.

The spelling of 22869689 in words is "twenty-two million, eight hundred sixty-nine thousand, six hundred eighty-nine".