622686668286628 has 192 divisors, whose sum is σ = 1243982518087680. Its totient is φ = 270233136000000.

The previous prime is 622686668286601. The next prime is 622686668286647. The reversal of 622686668286628 is 826682866686226.

622686668286628 is a nontrivial binomial coefficient, being equal to C(35289848, 2).

It is a super-2 number, since 2×622686668286628² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (82).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 63662879098 + ... + 63662888878.

It is an arithmetic number, because the mean of its divisors is an integer number (6479075615040).

Almost surely, 2^{622686668286628} is an apocalyptic number.

622686668286628 is the 35289847-th triangular number and also the 17644924-th hexagonal number.

622686668286628 is the 11763283-rd centered nonagonal number.

It is an amenable number.

622686668286628 is a deficient number, since it is larger than the sum of its proper divisors (621295849801052).

622686668286628 is a wasteful number, since it uses less digits than its factorization.

622686668286628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12530 (or 12528 counting only the distinct ones).

The product of its digits is 18345885696, while the sum is 82.

The spelling of 622686668286628 in words is "six hundred twenty-two trillion, six hundred eighty-six billion, six hundred sixty-eight million, two hundred eighty-six thousand, six hundred twenty-eight".