422129255 has 4 divisors (see below), whose sum is σ = 506555112. Its totient is φ = 337703400.

The previous prime is 422129243. The next prime is 422129297. The reversal of 422129255 is 552921224.

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

It is not a de Polignac number, because 422129255 - 2⁸ = 422128999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42212921 + ... + 42212930.

It is an arithmetic number, because the mean of its divisors is an integer number (126638778).

Almost surely, 2^422129255 is an apocalyptic number.

422129255 is a deficient number, since it is larger than the sum of its proper divisors (84425857).

422129255 is an equidigital number, since it uses as much as digits as its factorization.

422129255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84425856.

The product of its digits is 14400, while the sum is 32.

The square root of 422129255 is about 20545.7843607880. The cubic root of 422129255 is about 750.1506393713.

The spelling of 422129255 in words is "four hundred twenty-two million, one hundred twenty-nine thousand, two hundred fifty-five".