395222306318 has 16 divisors (see below), whose sum is σ = 693280325760. Its totient is φ = 165441895416.

The previous prime is 395222306309. The next prime is 395222306321. The reversal of 395222306318 is 813603222593.

It is a super-2 number, since 2×395222306318² (a number of 24 digits) contains 22 as substring.

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 in 7 ways as a sum of consecutive naturals, for example, 328257128 + ... + 328258331.

It is an arithmetic number, because the mean of its divisors is an integer number (43330020360).

Almost surely, 2^395222306318 is an apocalyptic number.

395222306318 is a deficient number, since it is larger than the sum of its proper divisors (298058019442).

395222306318 is a wasteful number, since it uses less digits than its factorization.

395222306318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656515511.

The product of its (nonzero) digits is 466560, while the sum is 44.

The spelling of 395222306318 in words is "three hundred ninety-five billion, two hundred twenty-two million, three hundred six thousand, three hundred eighteen".