22344479 has 2 divisors, whose sum is σ = 22344480. Its totient is φ = 22344478.

The previous prime is 22344461. The next prime is 22344499. The reversal of 22344479 is 97444322.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22344479 is a prime.

It is a Chen prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22344419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11172239 + 11172240.

It is an arithmetic number, because the mean of its divisors is an integer number (11172240).

Almost surely, 2^22344479 is an apocalyptic number.

22344479 is a deficient number, since it is larger than the sum of its proper divisors (1).

22344479 is an equidigital number, since it uses as much as digits as its factorization.

22344479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 35.

The square root of 22344479 is about 4726.9947112304. The cubic root of 22344479 is about 281.6588559548.

The spelling of 22344479 in words is "twenty-two million, three hundred forty-four thousand, four hundred seventy-nine".