393173422322 has 18 divisors (see below), whose sum is σ = 610837903143. Its totient is φ = 189795444384.

The previous prime is 393173422319. The next prime is 393173422331. The reversal of 393173422322 is 223224371393.

It can be written as a sum of positive squares in 5 ways, for example, as 255034090081 + 138139332241 = 505009^2 + 371671^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=443381.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 393173422322.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 25708454 + ... + 25723742.

Almost surely, 2^393173422322 is an apocalyptic number.

393173422322 is a deficient number, since it is larger than the sum of its proper divisors (217664480821).

393173422322 is an frugal number, since it uses more digits than its factorization.

393173422322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30638 (or 15320 counting only the distinct ones).

The product of its digits is 326592, while the sum is 41.

The spelling of 393173422322 in words is "three hundred ninety-three billion, one hundred seventy-three million, four hundred twenty-two thousand, three hundred twenty-two".