422238164 has 12 divisors (see below), whose sum is σ = 741151488. Its totient is φ = 210480600.

The previous prime is 422238151. The next prime is 422238233. The reversal of 422238164 is 461832224.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 422238164.

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, 158132 + ... + 160779.

It is an arithmetic number, because the mean of its divisors is an integer number (61762624).

Almost surely, 2^422238164 is an apocalyptic number.

It is an amenable number.

422238164 is a deficient number, since it is larger than the sum of its proper divisors (318913324).

422238164 is a wasteful number, since it uses less digits than its factorization.

422238164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319246 (or 319244 counting only the distinct ones).

The product of its digits is 18432, while the sum is 32.

The square root of 422238164 is about 20548.4345875787. The cubic root of 422238164 is about 750.2151465730.

The spelling of 422238164 in words is "four hundred twenty-two million, two hundred thirty-eight thousand, one hundred sixty-four".