22338389 has 4 divisors (see below), whose sum is σ = 22437024. Its totient is φ = 22239756.

The previous prime is 22338373. The next prime is 22338397. The reversal of 22338389 is 98383322.

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 22338389 - 2⁴ = 22338373 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 (22338089) 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, 48977 + ... + 49430.

It is an arithmetic number, because the mean of its divisors is an integer number (5609256).

Almost surely, 2^22338389 is an apocalyptic number.

It is an amenable number.

22338389 is a deficient number, since it is larger than the sum of its proper divisors (98635).

22338389 is an equidigital number, since it uses as much as digits as its factorization.

22338389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98634.

The product of its digits is 62208, while the sum is 38.

The square root of 22338389 is about 4726.3504948321. The cubic root of 22338389 is about 281.6332648712.

The spelling of 22338389 in words is "twenty-two million, three hundred thirty-eight thousand, three hundred eighty-nine".