422551163 has 4 divisors (see below), whose sum is σ = 423412248. Its totient is φ = 421690080.

The previous prime is 422551123. The next prime is 422551169. The reversal of 422551163 is 361155224.

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 422551163 - 2²⁴ = 405773947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422551169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 429806 + ... + 430787.

It is an arithmetic number, because the mean of its divisors is an integer number (105853062).

Almost surely, 2^422551163 is an apocalyptic number.

422551163 is a deficient number, since it is larger than the sum of its proper divisors (861085).

422551163 is an equidigital number, since it uses as much as digits as its factorization.

422551163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861084.

The product of its digits is 7200, while the sum is 29.

The square root of 422551163 is about 20556.0493042802. The cubic root of 422551163 is about 750.4004753065.

The spelling of 422551163 in words is "four hundred twenty-two million, five hundred fifty-one thousand, one hundred sixty-three".