22344213 has 4 divisors (see below), whose sum is σ = 29792288. Its totient is φ = 14896140.

The previous prime is 22344191. The next prime is 22344227. The reversal of 22344213 is 31244322.

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 not a de Polignac number, because 22344213 - 2⁸ = 22343957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22344213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22344233) 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, 3724033 + ... + 3724038.

It is an arithmetic number, because the mean of its divisors is an integer number (7448072).

Almost surely, 2^22344213 is an apocalyptic number.

It is an amenable number.

22344213 is a deficient number, since it is larger than the sum of its proper divisors (7448075).

22344213 is an equidigital number, since it uses as much as digits as its factorization.

22344213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7448074.

The product of its digits is 1152, while the sum is 21.

The square root of 22344213 is about 4726.9665748765. The cubic root of 22344213 is about 281.6577382805.

Adding to 22344213 its reverse (31244322), we get a palindrome (53588535).

The spelling of 22344213 in words is "twenty-two million, three hundred forty-four thousand, two hundred thirteen".