22344243 has 4 divisors (see below), whose sum is σ = 29792328. Its totient is φ = 14896160.

The previous prime is 22344233. The next prime is 22344313. The reversal of 22344243 is 34244322.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22344243 - 2⁴ = 22344227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22344233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3724038 + ... + 3724043.

It is an arithmetic number, because the mean of its divisors is an integer number (7448082).

Almost surely, 2^22344243 is an apocalyptic number.

22344243 is a deficient number, since it is larger than the sum of its proper divisors (7448085).

22344243 is an equidigital number, since it uses as much as digits as its factorization.

22344243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7448084.

The product of its digits is 4608, while the sum is 24.

The square root of 22344243 is about 4726.9697481579. The cubic root of 22344243 is about 281.6578643344.

Adding to 22344243 its reverse (34244322), we get a palindrome (56588565).

The spelling of 22344243 in words is "twenty-two million, three hundred forty-four thousand, two hundred forty-three".