320022312 has 16 divisors (see below), whose sum is σ = 800055840. Its totient is φ = 106674096.

The previous prime is 320022281. The next prime is 320022317. The reversal of 320022312 is 213220023.

320022312 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 320022291 and 320022300.

It is not an unprimeable number, because it can be changed into a prime (320022317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6667108 + ... + 6667155.

It is an arithmetic number, because the mean of its divisors is an integer number (50003490).

Almost surely, 2^320022312 is an apocalyptic number.

It is an amenable number.

320022312 is an abundant number, since it is smaller than the sum of its proper divisors (480033528).

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

320022312 is a wasteful number, since it uses less digits than its factorization.

320022312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13334272 (or 13334268 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 320022312 is about 17889.1674484868. The cubic root of 320022312 is about 684.0062753776.

Adding to 320022312 its reverse (213220023), we get a palindrome (533242335).

The spelling of 320022312 in words is "three hundred twenty million, twenty-two thousand, three hundred twelve".