622681717346780 has 192 divisors, whose sum is σ = 1694456763202560. Its totient is φ = 186656895092736.

The previous prime is 622681717346771. The next prime is 622681717346813. The reversal of 622681717346780 is 87643717186226.

It is a super-2 number, since 2×622681717346780² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 622681717346780.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 161415032 + ... + 165227648.

It is an arithmetic number, because the mean of its divisors is an integer number (8825295641680).

Almost surely, 2^{622681717346780} 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 622681717346780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (847228381601280).

622681717346780 is an abundant number, since it is smaller than the sum of its proper divisors (1071775045855780).

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

622681717346780 is a wasteful number, since it uses less digits than its factorization.

622681717346780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3817388 (or 3817386 counting only the distinct ones).

The product of its (nonzero) digits is 227598336, while the sum is 68.

The spelling of 622681717346780 in words is "six hundred twenty-two trillion, six hundred eighty-one billion, seven hundred seventeen million, three hundred forty-six thousand, seven hundred eighty".