722536215552 has 264 divisors, whose sum is σ = 2204440763616. Its totient is φ = 236296839168.

The previous prime is 722536215551. The next prime is 722536215601. The reversal of 722536215552 is 255512635227.

722536215552 is a `hidden beast` number, since 7 + 2 + 25 + 3 + 62 + 15 + 552 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 722536215498 and 722536215507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722536215551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13160703 + ... + 13215489.

Almost surely, 2^722536215552 is an apocalyptic number.

722536215552 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 722536215552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1102220381808).

722536215552 is an abundant number, since it is smaller than the sum of its proper divisors (1481904548064).

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

722536215552 is an equidigital number, since it uses as much as digits as its factorization.

722536215552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54875 (or 54845 counting only the distinct ones).

The product of its digits is 1260000, while the sum is 45.

The spelling of 722536215552 in words is "seven hundred twenty-two billion, five hundred thirty-six million, two hundred fifteen thousand, five hundred fifty-two".