422511522 has 16 divisors (see below), whose sum is σ = 845264160. Its totient is φ = 140796992.

The previous prime is 422511491. The next prime is 422511539. The reversal of 422511522 is 225115224.

It is a junction number, because it is equal to n+sod(n) for n = 422511492 and 422511501.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19354 + ... + 34922.

It is an arithmetic number, because the mean of its divisors is an integer number (52829010).

Almost surely, 2^422511522 is an apocalyptic number.

422511522 is an abundant number, since it is smaller than the sum of its proper divisors (422752638).

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

422511522 is a wasteful number, since it uses less digits than its factorization.

422511522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20097.

The product of its digits is 1600, while the sum is 24.

The square root of 422511522 is about 20555.0850642852. The cubic root of 422511522 is about 750.3770086764.

Adding to 422511522 its reverse (225115224), we get a palindrome (647626746).

The spelling of 422511522 in words is "four hundred twenty-two million, five hundred eleven thousand, five hundred twenty-two".