422164047 has 4 divisors (see below), whose sum is σ = 562885400. Its totient is φ = 281442696.

The previous prime is 422164033. The next prime is 422164063. The reversal of 422164047 is 740461224.

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

It is not a de Polignac number, because 422164047 - 2²⁷ = 287946319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422164087) 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, 70360672 + ... + 70360677.

It is an arithmetic number, because the mean of its divisors is an integer number (140721350).

Almost surely, 2^422164047 is an apocalyptic number.

422164047 is a deficient number, since it is larger than the sum of its proper divisors (140721353).

422164047 is a wasteful number, since it uses less digits than its factorization.

422164047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140721352.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 422164047 is about 20546.6310377152. The cubic root of 422164047 is about 750.1712480070.

The spelling of 422164047 in words is "four hundred twenty-two million, one hundred sixty-four thousand, forty-seven".