422893172 has 12 divisors (see below), whose sum is σ = 796991076. Its totient is φ = 195181440.

The previous prime is 422893171. The next prime is 422893187. The reversal of 422893172 is 271398224.

It can be written as a sum of positive squares in 2 ways, for example, as 165739876 + 257153296 = 12874^2 + 16036^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422893171) 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, 4066229 + ... + 4066332.

It is an arithmetic number, because the mean of its divisors is an integer number (66415923).

Almost surely, 2^422893172 is an apocalyptic number.

It is an amenable number.

422893172 is a deficient number, since it is larger than the sum of its proper divisors (374097904).

422893172 is a wasteful number, since it uses less digits than its factorization.

422893172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8132578 (or 8132576 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 422893172 is about 20564.3665596585. The cubic root of 422893172 is about 750.6028764420.

The spelling of 422893172 in words is "four hundred twenty-two million, eight hundred ninety-three thousand, one hundred seventy-two".