722216707020 has 288 divisors, whose sum is σ = 2333627150400. Its totient is φ = 180449482752.

The previous prime is 722216707001. The next prime is 722216707031. The reversal of 722216707020 is 20707612227.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 76671871 + ... + 76681289.

It is an arithmetic number, because the mean of its divisors is an integer number (8102872050).

Almost surely, 2^722216707020 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 722216707020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1166813575200).

722216707020 is an abundant number, since it is smaller than the sum of its proper divisors (1611410443380).

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

722216707020 is a wasteful number, since it uses less digits than its factorization.

722216707020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9897 (or 9892 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The spelling of 722216707020 in words is "seven hundred twenty-two billion, two hundred sixteen million, seven hundred seven thousand, twenty".