313319222 has 4 divisors (see below), whose sum is σ = 469978836. Its totient is φ = 156659610.

The previous prime is 313319213. The next prime is 313319239. The reversal of 313319222 is 222913313.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 313319191 and 313319200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78329804 + ... + 78329807.

It is an arithmetic number, because the mean of its divisors is an integer number (117494709).

Almost surely, 2^313319222 is an apocalyptic number.

313319222 is a deficient number, since it is larger than the sum of its proper divisors (156659614).

313319222 is a wasteful number, since it uses less digits than its factorization.

313319222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156659613.

The product of its digits is 1944, while the sum is 26.

The square root of 313319222 is about 17700.8254609778. The cubic root of 313319222 is about 679.1968762270.

The spelling of 313319222 in words is "three hundred thirteen million, three hundred nineteen thousand, two hundred twenty-two".