2566205222 has 16 divisors (see below), whose sum is σ = 4403877120. Its totient is φ = 1098635208.

The previous prime is 2566205209. The next prime is 2566205237. The reversal of 2566205222 is 2225026652.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83522 + ... + 110037.

It is an arithmetic number, because the mean of its divisors is an integer number (275242320).

Almost surely, 2^2566205222 is an apocalyptic number.

2566205222 is a deficient number, since it is larger than the sum of its proper divisors (1837671898).

2566205222 is a wasteful number, since it uses less digits than its factorization.

2566205222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194515.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 2566205222 is about 50657.7261826861. The cubic root of 2566205222 is about 1369.0851551206.

The spelling of 2566205222 in words is "two billion, five hundred sixty-six million, two hundred five thousand, two hundred twenty-two".