22634389 has 4 divisors (see below), whose sum is σ = 22665280. Its totient is φ = 22603500.

The previous prime is 22634387. The next prime is 22634393. The reversal of 22634389 is 98343622.

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 22634389 - 2¹ = 22634387 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22634387) 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, 14319 + ... + 15820.

It is an arithmetic number, because the mean of its divisors is an integer number (5666320).

Almost surely, 2^22634389 is an apocalyptic number.

It is an amenable number.

22634389 is a deficient number, since it is larger than the sum of its proper divisors (30891).

22634389 is an equidigital number, since it uses as much as digits as its factorization.

22634389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30890.

The product of its digits is 62208, while the sum is 37.

The square root of 22634389 is about 4757.5612450078. The cubic root of 22634389 is about 282.8717594999.

The spelling of 22634389 in words is "twenty-two million, six hundred thirty-four thousand, three hundred eighty-nine".