722222358816 has 192 divisors, whose sum is σ = 2193668628480. Its totient is φ = 203786772480.

The previous prime is 722222358769. The next prime is 722222358817. The reversal of 722222358816 is 618853222227.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (722222358817) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31211571 + ... + 31234701.

It is an arithmetic number, because the mean of its divisors is an integer number (11425357440).

Almost surely, 2^722222358816 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 722222358816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1096834314240).

722222358816 is an abundant number, since it is smaller than the sum of its proper divisors (1471446269664).

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

722222358816 is a wasteful number, since it uses less digits than its factorization.

722222358816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23727 (or 23719 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 48.

The spelling of 722222358816 in words is "seven hundred twenty-two billion, two hundred twenty-two million, three hundred fifty-eight thousand, eight hundred sixteen".