722017920216 has 64 divisors (see below), whose sum is σ = 1849233304800. Its totient is φ = 234781875200.

The previous prime is 722017920209. The next prime is 722017920241. The reversal of 722017920216 is 612029710227.

It is a super-2 number, since 2×722017920216² (a number of 25 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 (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14409286 + ... + 14459306.

Almost surely, 2^722017920216 is an apocalyptic number.

It is an amenable number.

722017920216 is an abundant number, since it is smaller than the sum of its proper divisors (1127215384584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

722017920216 is a wasteful number, since it uses less digits than its factorization.

722017920216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64740 (or 64736 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 39.

The spelling of 722017920216 in words is "seven hundred twenty-two billion, seventeen million, nine hundred twenty thousand, two hundred sixteen".