312922 has 8 divisors (see below), whose sum is σ = 474516. Its totient is φ = 154752.

The previous prime is 312899. The next prime is 312929. The reversal of 312922 is 229213.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 312481 + 441 = 559^2 + 21^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 312922.

It is not an unprimeable number, because it can be changed into a prime (312929) 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, 613 + ... + 1000.

2³¹²⁹²² is an apocalyptic number.

312922 is a deficient number, since it is larger than the sum of its proper divisors (161594).

312922 is a wasteful number, since it uses less digits than its factorization.

312922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1712.

The product of its digits is 216, while the sum is 19.

The square root of 312922 is about 559.3943153090. The cubic root of 312922 is about 67.8909729215.

The spelling of 312922 in words is "three hundred twelve thousand, nine hundred twenty-two".