319223668 has 12 divisors (see below), whose sum is σ = 566510112. Its totient is φ = 157363640.

The previous prime is 319223659. The next prime is 319223761. The reversal of 319223668 is 866322913.

319223668 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×319223668² = 203807500422748448, 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 319223668.

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, 561730 + ... + 562297.

It is an arithmetic number, because the mean of its divisors is an integer number (47209176).

Almost surely, 2^319223668 is an apocalyptic number.

It is an amenable number.

319223668 is a deficient number, since it is larger than the sum of its proper divisors (247286444).

319223668 is a wasteful number, since it uses less digits than its factorization.

319223668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124102 (or 1124100 counting only the distinct ones).

The product of its digits is 93312, while the sum is 40.

The square root of 319223668 is about 17866.8315042147. The cubic root of 319223668 is about 683.4368019937.

The spelling of 319223668 in words is "three hundred nineteen million, two hundred twenty-three thousand, six hundred sixty-eight".