320222422 has 16 divisors (see below), whose sum is σ = 539773920. Its totient is φ = 141368832.

The previous prime is 320222407. The next prime is 320222443. The reversal of 320222422 is 224222023.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 320222422.

It is a congruent number.

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, 267147 + ... + 268342.

It is an arithmetic number, because the mean of its divisors is an integer number (33735870).

Almost surely, 2^320222422 is an apocalyptic number.

320222422 is a deficient number, since it is larger than the sum of its proper divisors (219551498).

320222422 is a wasteful number, since it uses less digits than its factorization.

320222422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535527.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 320222422 is about 17894.7596239793. The cubic root of 320222422 is about 684.1488154140.

Adding to 320222422 its reverse (224222023), we get a palindrome (544444445).

The spelling of 320222422 in words is "three hundred twenty million, two hundred twenty-two thousand, four hundred twenty-two".