2522744866 has 4 divisors (see below), whose sum is σ = 3784117302. Its totient is φ = 1261372432.

The previous prime is 2522744831. The next prime is 2522744867. The reversal of 2522744866 is 6684472252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2512916641 + 9828225 = 50129^2 + 3135^2 .

It is not an unprimeable number, because it can be changed into a prime (2522744867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 630686215 + ... + 630686218.

Almost surely, 2^2522744866 is an apocalyptic number.

2522744866 is a deficient number, since it is larger than the sum of its proper divisors (1261372436).

2522744866 is a wasteful number, since it uses less digits than its factorization.

2522744866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261372435.

The product of its digits is 1290240, while the sum is 46.

The square root of 2522744866 is about 50226.9336710893. The cubic root of 2522744866 is about 1361.3123264779.

The spelling of 2522744866 in words is "two billion, five hundred twenty-two million, seven hundred forty-four thousand, eight hundred sixty-six".