320323422 has 16 divisors (see below), whose sum is σ = 642836880. Its totient is φ = 106409472.

The previous prime is 320323411. The next prime is 320323453. The reversal of 320323422 is 224323023.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89347 + ... + 92862.

It is an arithmetic number, because the mean of its divisors is an integer number (40177305).

Almost surely, 2^320323422 is an apocalyptic number.

320323422 is an abundant number, since it is smaller than the sum of its proper divisors (322513458).

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

320323422 is a wasteful number, since it uses less digits than its factorization.

320323422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182507.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 320323422 is about 17897.5814567220. The cubic root of 320323422 is about 684.2207360148.

Adding to 320323422 its reverse (224323023), we get a palindrome (544646445).

The spelling of 320323422 in words is "three hundred twenty million, three hundred twenty-three thousand, four hundred twenty-two".