722885458064 has 320 divisors, whose sum is σ = 1913302302720. Its totient is φ = 258181862400.

The previous prime is 722885458027. The next prime is 722885458177. The reversal of 722885458064 is 460854588227.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 722885457994 and 722885458012.

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 63 ways as a sum of consecutive naturals, for example, 87799292 + ... + 87807524.

It is an arithmetic number, because the mean of its divisors is an integer number (5979069696).

Almost surely, 2^722885458064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 722885458064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (956651151360).

722885458064 is an abundant number, since it is smaller than the sum of its proper divisors (1190416844656).

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

722885458064 is a wasteful number, since it uses less digits than its factorization.

722885458064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8331 (or 8303 counting only the distinct ones).

The product of its (nonzero) digits is 34406400, while the sum is 59.

The spelling of 722885458064 in words is "seven hundred twenty-two billion, eight hundred eighty-five million, four hundred fifty-eight thousand, sixty-four".