313398922 has 8 divisors (see below), whose sum is σ = 470247876. Its totient is φ = 156649632.

The previous prime is 313398919. The next prime is 313398923. The reversal of 313398922 is 229893313.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 233814681 + 79584241 = 15291^2 + 8921^2 .

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

It is not an unprimeable number, because it can be changed into a prime (313398923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16483 + ... + 29974.

Almost surely, 2^313398922 is an apocalyptic number.

313398922 is a deficient number, since it is larger than the sum of its proper divisors (156848954).

313398922 is a wasteful number, since it uses less digits than its factorization.

313398922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49832.

The product of its digits is 69984, while the sum is 40.

The square root of 313398922 is about 17703.0766252649. The cubic root of 313398922 is about 679.2544611627.

The spelling of 313398922 in words is "three hundred thirteen million, three hundred ninety-eight thousand, nine hundred twenty-two".