422274139 has 4 divisors (see below), whose sum is σ = 482599024. Its totient is φ = 361949256.

The previous prime is 422274131. The next prime is 422274187. The reversal of 422274139 is 931472224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 422274139 - 2³ = 422274131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422274131) 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, 30162432 + ... + 30162445.

It is an arithmetic number, because the mean of its divisors is an integer number (120649756).

Almost surely, 2^422274139 is an apocalyptic number.

422274139 is a deficient number, since it is larger than the sum of its proper divisors (60324885).

422274139 is an equidigital number, since it uses as much as digits as its factorization.

422274139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60324884.

The product of its digits is 24192, while the sum is 34.

The square root of 422274139 is about 20549.3099397522. The cubic root of 422274139 is about 750.2364522608.

The spelling of 422274139 in words is "four hundred twenty-two million, two hundred seventy-four thousand, one hundred thirty-nine".