422806163 has 4 divisors (see below), whose sum is σ = 455329728. Its totient is φ = 390282600.

The previous prime is 422806157. The next prime is 422806187. The reversal of 422806163 is 361608224.

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 422806163 - 2²⁰ = 421757587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422806123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16261763 + ... + 16261788.

It is an arithmetic number, because the mean of its divisors is an integer number (113832432).

Almost surely, 2^422806163 is an apocalyptic number.

422806163 is a deficient number, since it is larger than the sum of its proper divisors (32523565).

422806163 is a wasteful number, since it uses less digits than its factorization.

422806163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32523564.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 422806163 is about 20562.2509225036. The cubic root of 422806163 is about 750.5513948153.

The spelling of 422806163 in words is "four hundred twenty-two million, eight hundred six thousand, one hundred sixty-three".