722170810944 has 280 divisors, whose sum is σ = 2336988772800. Its totient is φ = 218686417920.

The previous prime is 722170810943. The next prime is 722170810951. The reversal of 722170810944 is 449018071227.

It is a super-2 number, since 2×722170810944² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 722170810944.

It is not an unprimeable number, because it can be changed into a prime (722170810943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 102012397 + ... + 102019475.

Almost surely, 2^722170810944 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 722170810944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1168494386400).

722170810944 is an abundant number, since it is smaller than the sum of its proper divisors (1614817961856).

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

722170810944 is a wasteful number, since it uses less digits than its factorization.

722170810944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8903 (or 8884 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The spelling of 722170810944 in words is "seven hundred twenty-two billion, one hundred seventy million, eight hundred ten thousand, nine hundred forty-four".