422331321 has 16 divisors (see below), whose sum is σ = 601320960. Its totient is φ = 263074560.

The previous prime is 422331317. The next prime is 422331341. The reversal of 422331321 is 123133224.

It is not a de Polignac number, because 422331321 - 2² = 422331317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (422331311) 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, 75600 + ... + 80993.

It is an arithmetic number, because the mean of its divisors is an integer number (37582560).

Almost surely, 2^422331321 is an apocalyptic number.

It is an amenable number.

422331321 is a deficient number, since it is larger than the sum of its proper divisors (178989639).

422331321 is a wasteful number, since it uses less digits than its factorization.

422331321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156656.

The product of its digits is 864, while the sum is 21.

The square root of 422331321 is about 20550.7012289119. The cubic root of 422331321 is about 750.2703150058.

Adding to 422331321 its reverse (123133224), we get a palindrome (545464545).

The spelling of 422331321 in words is "four hundred twenty-two million, three hundred thirty-one thousand, three hundred twenty-one".