722221885487700 has 432 divisors, whose sum is σ = 2461818730600320. Its totient is φ = 176033839887360.

The previous prime is 722221885487699. The next prime is 722221885487741. The reversal of 722221885487700 is 7784588122227.

It is a happy number.

722221885487700 is a `hidden beast` number, since 7 + 2 + 2 + 2 + 2 + 1 + 8 + 85 + 487 + 70 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 14917908694 + ... + 14917957106.

Almost surely, 2^{722221885487700} 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 722221885487700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1230909365300160).

722221885487700 is an abundant number, since it is smaller than the sum of its proper divisors (1739596845112620).

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

722221885487700 is a wasteful number, since it uses less digits than its factorization.

722221885487700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60928 (or 60918 counting only the distinct ones).

The product of its (nonzero) digits is 56197120, while the sum is 63.

The spelling of 722221885487700 in words is "seven hundred twenty-two trillion, two hundred twenty-one billion, eight hundred eighty-five million, four hundred eighty-seven thousand, seven hundred".