621222236216216 has 16 divisors (see below), whose sum is σ = 1164799619564040. Its totient is φ = 310609004332480.

The previous prime is 621222236216201. The next prime is 621222236216249. The reversal of 621222236216216 is 612612632222126.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262972565 + ... + 265324356.

Almost surely, 2^{621222236216216} is an apocalyptic number.

It is an amenable number.

621222236216216 is a deficient number, since it is larger than the sum of its proper divisors (543577383347824).

621222236216216 is a wasteful number, since it uses less digits than its factorization.

621222236216216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528443914 (or 528443910 counting only the distinct ones).

The product of its digits is 497664, while the sum is 44.

The spelling of 621222236216216 in words is "six hundred twenty-one trillion, two hundred twenty-two billion, two hundred thirty-six million, two hundred sixteen thousand, two hundred sixteen".