320224322 has 48 divisors (see below), whose sum is σ = 552726720. Its totient is φ = 138858720.

The previous prime is 320224321. The next prime is 320224343. The reversal of 320224322 is 223422023.

It is a junction number, because it is equal to n+sod(n) for n = 320224294 and 320224303.

It is not an unprimeable number, because it can be changed into a prime (320224321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 722633 + ... + 723075.

It is an arithmetic number, because the mean of its divisors is an integer number (11515140).

Almost surely, 2^320224322 is an apocalyptic number.

320224322 is a deficient number, since it is larger than the sum of its proper divisors (232502398).

320224322 is a wasteful number, since it uses less digits than its factorization.

320224322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599 (or 588 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 320224322 is about 17894.8127120683. The cubic root of 320224322 is about 684.1501685154.

Adding to 320224322 its reverse (223422023), we get a palindrome (543646345).

The spelling of 320224322 in words is "three hundred twenty million, two hundred twenty-four thousand, three hundred twenty-two".