722001168 has 160 divisors (see below), whose sum is σ = 2450438400. Its totient is φ = 199148544.

The previous prime is 722001157. The next prime is 722001173. The reversal of 722001168 is 861100227.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83580 + ... + 91812.

It is an arithmetic number, because the mean of its divisors is an integer number (15315240).

Almost surely, 2^722001168 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 722001168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1225219200).

722001168 is an abundant number, since it is smaller than the sum of its proper divisors (1728437232).

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

722001168 is a wasteful number, since it uses less digits than its factorization.

722001168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8286 (or 8274 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 722001168 is about 26870.0794193095. The cubic root of 722001168 is about 897.1105556064.

The spelling of 722001168 in words is "seven hundred twenty-two million, one thousand, one hundred sixty-eight".