313123222 has 8 divisors (see below), whose sum is σ = 469800000. Its totient is φ = 156523224.

The previous prime is 313123201. The next prime is 313123229. The reversal of 313123222 is 222321313.

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

It is a super-2 number, since 2×313123222² = 196092304311322568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 313123222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313123229) 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, 7597 + ... + 26152.

It is an arithmetic number, because the mean of its divisors is an integer number (58725000).

Almost surely, 2^313123222 is an apocalyptic number.

313123222 is a deficient number, since it is larger than the sum of its proper divisors (156676778).

313123222 is a wasteful number, since it uses less digits than its factorization.

313123222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38390.

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

The square root of 313123222 is about 17695.2881298949. The cubic root of 313123222 is about 679.0552205324.

Adding to 313123222 its reverse (222321313), we get a palindrome (535444535).

The spelling of 313123222 in words is "three hundred thirteen million, one hundred twenty-three thousand, two hundred twenty-two".