22468389 has 4 divisors (see below), whose sum is σ = 29957856. Its totient is φ = 14978924.

The previous prime is 22468379. The next prime is 22468421. The reversal of 22468389 is 98386422.

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 22468389 - 2¹³ = 22460197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22468389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22468319) 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, 3744729 + ... + 3744734.

It is an arithmetic number, because the mean of its divisors is an integer number (7489464).

Almost surely, 2^22468389 is an apocalyptic number.

It is an amenable number.

22468389 is a deficient number, since it is larger than the sum of its proper divisors (7489467).

22468389 is an equidigital number, since it uses as much as digits as its factorization.

22468389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7489466.

The product of its digits is 165888, while the sum is 42.

The square root of 22468389 is about 4740.0832271174. The cubic root of 22468389 is about 282.1785374124.

The spelling of 22468389 in words is "twenty-two million, four hundred sixty-eight thousand, three hundred eighty-nine".