2622686620 has 24 divisors (see below), whose sum is σ = 5531702400. Its totient is φ = 1044491712.

The previous prime is 2622686617. The next prime is 2622686639. The reversal of 2622686620 is 266862262.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281740 + ... + 290899.

It is an arithmetic number, because the mean of its divisors is an integer number (230487600).

Almost surely, 2^2622686620 is an apocalyptic number.

2622686620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2622686620 is an abundant number, since it is smaller than the sum of its proper divisors (2909015780).

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

2622686620 is a wasteful number, since it uses less digits than its factorization.

2622686620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572877 (or 572875 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 40.

The square root of 2622686620 is about 51212.1725764490. The cubic root of 2622686620 is about 1379.0567348032.

The spelling of 2622686620 in words is "two billion, six hundred twenty-two million, six hundred eighty-six thousand, six hundred twenty".