422209179 has 20 divisors (see below), whose sum is σ = 720809584. Its totient is φ = 241262064.

The previous prime is 422209163. The next prime is 422209187. The reversal of 422209179 is 971902224.

It is not a de Polignac number, because 422209179 - 2⁴ = 422209163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422209159) 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, 371752 + ... + 372885.

Almost surely, 2^422209179 is an apocalyptic number.

422209179 is a deficient number, since it is larger than the sum of its proper divisors (298600405).

422209179 is an equidigital number, since it uses as much as digits as its factorization.

422209179 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744656 (or 744647 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 422209179 is about 20547.7292906053. The cubic root of 422209179 is about 750.1979797341.

The spelling of 422209179 in words is "four hundred twenty-two million, two hundred nine thousand, one hundred seventy-nine".