22449879 has 20 divisors (see below), whose sum is σ = 34255584. Its totient is φ = 14645664.

The previous prime is 22449871. The next prime is 22449883. The reversal of 22449879 is 97894422.

It is not a de Polignac number, because 22449879 - 2³ = 22449871 is a prime.

It is a super-2 number, since 2×22449879² = 1007994134229282, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22449871) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 859 + ... + 6755.

Almost surely, 2^22449879 is an apocalyptic number.

22449879 is a deficient number, since it is larger than the sum of its proper divisors (11805705).

22449879 is an equidigital number, since it uses as much as digits as its factorization.

22449879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5956 (or 5947 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 22449879 is about 4738.1303274604. The cubic root of 22449879 is about 282.1010276319.

The spelling of 22449879 in words is "twenty-two million, four hundred forty-nine thousand, eight hundred seventy-nine".