2566356322 has 16 divisors (see below), whose sum is σ = 3933671040. Its totient is φ = 1255163728.

The previous prime is 2566356311. The next prime is 2566356323. The reversal of 2566356322 is 2236536652.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2566356323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183804 + ... + 197272.

It is an arithmetic number, because the mean of its divisors is an integer number (245854440).

Almost surely, 2^2566356322 is an apocalyptic number.

2566356322 is a deficient number, since it is larger than the sum of its proper divisors (1367314718).

2566356322 is a wasteful number, since it uses less digits than its factorization.

2566356322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15545.

The product of its digits is 388800, while the sum is 40.

The square root of 2566356322 is about 50659.2175423190. The cubic root of 2566356322 is about 1369.1120254978.

The spelling of 2566356322 in words is "two billion, five hundred sixty-six million, three hundred fifty-six thousand, three hundred twenty-two".