22938689 has 4 divisors (see below), whose sum is σ = 22968624. Its totient is φ = 22908756.

The previous prime is 22938653. The next prime is 22938691. The reversal of 22938689 is 98683922.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22938689 - 2¹⁶ = 22873153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22934689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13787 + ... + 15360.

It is an arithmetic number, because the mean of its divisors is an integer number (5742156).

Almost surely, 2^22938689 is an apocalyptic number.

It is an amenable number.

22938689 is a deficient number, since it is larger than the sum of its proper divisors (29935).

22938689 is an equidigital number, since it uses as much as digits as its factorization.

22938689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29934.

The product of its digits is 373248, while the sum is 47.

The square root of 22938689 is about 4789.4351441480. The cubic root of 22938689 is about 284.1337769869.

The spelling of 22938689 in words is "twenty-two million, nine hundred thirty-eight thousand, six hundred eighty-nine".