2273305256 has 16 divisors (see below), whose sum is σ = 4342871700. Its totient is φ = 1115206144.

The previous prime is 2273305249. The next prime is 2273305261. The reversal of 2273305256 is 6525033722.

It can be written as a sum of positive squares in 2 ways, for example, as 2137582756 + 135722500 = 46234^2 + 11650^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2680361 + ... + 2681208.

Almost surely, 2^2273305256 is an apocalyptic number.

It is an amenable number.

2273305256 is a deficient number, since it is larger than the sum of its proper divisors (2069566444).

2273305256 is a wasteful number, since it uses less digits than its factorization.

2273305256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5361628 (or 5361624 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 35.

The square root of 2273305256 is about 47679.1910166269. The cubic root of 2273305256 is about 1314.8793917538.

Adding to 2273305256 its reverse (6525033722), we get a palindrome (8798338978).

The spelling of 2273305256 in words is "two billion, two hundred seventy-three million, three hundred five thousand, two hundred fifty-six".