313312222 has 8 divisors (see below), whose sum is σ = 470345400. Its totient is φ = 156530424.

The previous prime is 313312217. The next prime is 313312247. The reversal of 313312222 is 222213313.

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 313312222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59697 + ... + 64732.

It is an arithmetic number, because the mean of its divisors is an integer number (58793175).

Almost surely, 2^313312222 is an apocalyptic number.

313312222 is a deficient number, since it is larger than the sum of its proper divisors (157033178).

313312222 is a wasteful number, since it uses less digits than its factorization.

313312222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125690.

The product of its digits is 432, while the sum is 19.

The square root of 313312222 is about 17700.6277289818. The cubic root of 313312222 is about 679.1918181125.

Adding to 313312222 its reverse (222213313), we get a palindrome (535525535).

The spelling of 313312222 in words is "three hundred thirteen million, three hundred twelve thousand, two hundred twenty-two".