422320422 has 32 divisors (see below), whose sum is σ = 853463520. Its totient is φ = 139311360.

The previous prime is 422320421. The next prime is 422320433. The reversal of 422320422 is 224023224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422320421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252204 + ... + 253872.

It is an arithmetic number, because the mean of its divisors is an integer number (26670735).

Almost surely, 2^422320422 is an apocalyptic number.

422320422 is an abundant number, since it is smaller than the sum of its proper divisors (431143098).

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

422320422 is a wasteful number, since it uses less digits than its factorization.

422320422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2088.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 422320422 is about 20550.4360537678. The cubic root of 422320422 is about 750.2638609368.

Adding to 422320422 its reverse (224023224), we get a palindrome (646343646).

The spelling of 422320422 in words is "four hundred twenty-two million, three hundred twenty thousand, four hundred twenty-two".