2566422344 has 8 divisors (see below), whose sum is σ = 4812041910. Its totient is φ = 1283211168.

The previous prime is 2566422343. The next prime is 2566422371. The reversal of 2566422344 is 4432246652.

It can be written as a sum of positive squares in only one way, i.e., 1921770244 + 644652100 = 43838^2 + 25390^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 2566422298 and 2566422307.

It is not an unprimeable number, because it can be changed into a prime (2566422343) by changing a digit.

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 as a sum of consecutive naturals, namely, 160401389 + ... + 160401404.

Almost surely, 2^2566422344 is an apocalyptic number.

It is an amenable number.

2566422344 is a deficient number, since it is larger than the sum of its proper divisors (2245619566).

2566422344 is a wasteful number, since it uses less digits than its factorization.

2566422344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320802799 (or 320802795 counting only the distinct ones).

The product of its digits is 276480, while the sum is 38.

The square root of 2566422344 is about 50659.8691668267. The cubic root of 2566422344 is about 1369.1237659744.

Adding to 2566422344 its reverse (4432246652), we get a palindrome (6998668996).

The spelling of 2566422344 in words is "two billion, five hundred sixty-six million, four hundred twenty-two thousand, three hundred forty-four".