422542572 has 24 divisors (see below), whose sum is σ = 995150016. Its totient is φ = 139530768.

The previous prime is 422542559. The next prime is 422542607. The reversal of 422542572 is 275245224.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163258 + ... + 165825.

It is an arithmetic number, because the mean of its divisors is an integer number (41464584).

Almost surely, 2^422542572 is an apocalyptic number.

It is an amenable number.

422542572 is an abundant number, since it is smaller than the sum of its proper divisors (572607444).

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

422542572 is a wasteful number, since it uses less digits than its factorization.

422542572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329197 (or 329195 counting only the distinct ones).

The product of its digits is 44800, while the sum is 33.

The square root of 422542572 is about 20555.8403379672. The cubic root of 422542572 is about 750.3953897415.

Adding to 422542572 its reverse (275245224), we get a palindrome (697787796).

The spelling of 422542572 in words is "four hundred twenty-two million, five hundred forty-two thousand, five hundred seventy-two".