422544 has 20 divisors (see below), whose sum is σ = 1091696. Its totient is φ = 140832.

The previous prime is 422537. The next prime is 422549. The reversal of 422544 is 445224.

It is a self number, because there is not a number n which added to its sum of digits gives 422544.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 422544.

It is not an unprimeable number, because it can be changed into a prime (422549) 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, 4354 + ... + 4449.

2⁴²²⁵⁴⁴ is an apocalyptic number.

It is an amenable number.

422544 is an abundant number, since it is smaller than the sum of its proper divisors (669152).

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

422544 is a wasteful number, since it uses less digits than its factorization.

422544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8814 (or 8808 counting only the distinct ones).

The product of its digits is 1280, while the sum is 21.

The square root of 422544 is about 650.0338452727. The cubic root of 422544 is about 75.0396235071.

Adding to 422544 its reverse (445224), we get a palindrome (867768).

The spelling of 422544 in words is "four hundred twenty-two thousand, five hundred forty-four".