22443479 has 2 divisors, whose sum is σ = 22443480. Its totient is φ = 22443478.

The previous prime is 22443431. The next prime is 22443493. The reversal of 22443479 is 97434422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22443479 - 2²⁰ = 21394903 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22443409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11221739 + 11221740.

It is an arithmetic number, because the mean of its divisors is an integer number (11221740).

Almost surely, 2^22443479 is an apocalyptic number.

22443479 is a deficient number, since it is larger than the sum of its proper divisors (1).

22443479 is an equidigital number, since it uses as much as digits as its factorization.

22443479 is an evil number, because the sum of its binary digits is even.

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

The square root of 22443479 is about 4737.4549074371. The cubic root of 22443479 is about 282.0742180120.

It can be divided in two parts, 22443 and 479, that added together give a palindrome (22922).

The spelling of 22443479 in words is "twenty-two million, four hundred forty-three thousand, four hundred seventy-nine".