2568255822 has 96 divisors (see below), whose sum is σ = 6498745344. Its totient is φ = 753105600.

The previous prime is 2568255817. The next prime is 2568255857. The reversal of 2568255822 is 2285528652.

2568255822 is a `hidden beast` number, since 2 + 5 + 68 + 2 + 5 + 582 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 157978 + ... + 173474.

It is an arithmetic number, because the mean of its divisors is an integer number (67695264).

Almost surely, 2^2568255822 is an apocalyptic number.

2568255822 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2568255822, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3249372672).

2568255822 is an abundant number, since it is smaller than the sum of its proper divisors (3930489522).

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

2568255822 is a wasteful number, since it uses less digits than its factorization.

2568255822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15556 (or 15544 counting only the distinct ones).

The product of its digits is 768000, while the sum is 45.

The square root of 2568255822 is about 50677.9618966667. The cubic root of 2568255822 is about 1369.4497269712.

The spelling of 2568255822 in words is "two billion, five hundred sixty-eight million, two hundred fifty-five thousand, eight hundred twenty-two".