3122216553256 has 16 divisors (see below), whose sum is σ = 5874136096500. Its totient is φ = 1555780260864.

The previous prime is 3122216553223. The next prime is 3122216553271. The reversal of 3122216553256 is 6523556122213.

It can be written as a sum of positive squares in 2 ways, for example, as 2975397304356 + 146819248900 = 1724934^2 + 383170^2 .

It is a super-3 number, since 3×3122216553256³ (a number of 38 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 665999481 + ... + 666004168.

Almost surely, 2^{3122216553256} is an apocalyptic number.

It is an amenable number.

3122216553256 is a deficient number, since it is larger than the sum of its proper divisors (2751919543244).

3122216553256 is a wasteful number, since it uses less digits than its factorization.

3122216553256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332003948 (or 1332003944 counting only the distinct ones).

The product of its digits is 648000, while the sum is 43.

The spelling of 3122216553256 in words is "three trillion, one hundred twenty-two billion, two hundred sixteen million, five hundred fifty-three thousand, two hundred fifty-six".