722332326408 has 256 divisors, whose sum is σ = 2275261194240. Its totient is φ = 187186728960.

The previous prime is 722332326323. The next prime is 722332326409. The reversal of 722332326408 is 804623233227.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 722332326408.

It is not an unprimeable number, because it can be changed into a prime (722332326409) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 103527016 + ... + 103533992.

It is an arithmetic number, because the mean of its divisors is an integer number (8887739040).

Almost surely, 2^722332326408 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 722332326408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1137630597120).

722332326408 is an abundant number, since it is smaller than the sum of its proper divisors (1552928867832).

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

722332326408 is a wasteful number, since it uses less digits than its factorization.

722332326408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7489 (or 7463 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 42.

The spelling of 722332326408 in words is "seven hundred twenty-two billion, three hundred thirty-two million, three hundred twenty-six thousand, four hundred eight".