422939268 has 18 divisors (see below), whose sum is σ = 1069096574. Its totient is φ = 140979744.

The previous prime is 422939263. The next prime is 422939281. The reversal of 422939268 is 862939224.

It can be written as a sum of positive squares in only one way, i.e., 405700164 + 17239104 = 20142^2 + 4152^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (422939263) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5874121 + ... + 5874192.

Almost surely, 2^422939268 is an apocalyptic number.

It is an amenable number.

422939268 is an abundant number, since it is smaller than the sum of its proper divisors (646157306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422939268 is a wasteful number, since it uses less digits than its factorization.

422939268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11748323 (or 11748318 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 422939268 is about 20565.4873027604. The cubic root of 422939268 is about 750.6301477368.

The spelling of 422939268 in words is "four hundred twenty-two million, nine hundred thirty-nine thousand, two hundred sixty-eight".