2244860865 has 32 divisors (see below), whose sum is σ = 4297856640. Its totient is φ = 1105161408.

The previous prime is 2244860837. The next prime is 2244860869. The reversal of 2244860865 is 5680684422.

It is not a de Polignac number, because 2244860865 - 2⁵ = 2244860833 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2244860865.

It is not an unprimeable number, because it can be changed into a prime (2244860869) 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 in 31 ways as a sum of consecutive naturals, for example, 637807 + ... + 641316.

It is an arithmetic number, because the mean of its divisors is an integer number (134308020).

Almost surely, 2^2244860865 is an apocalyptic number.

It is an amenable number.

2244860865 is a deficient number, since it is larger than the sum of its proper divisors (2052995775).

2244860865 is a wasteful number, since it uses less digits than its factorization.

2244860865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279150 (or 1279144 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 45.

The square root of 2244860865 is about 47379.9626952154. The cubic root of 2244860865 is about 1309.3722814730.

The spelling of 2244860865 in words is "two billion, two hundred forty-four million, eight hundred sixty thousand, eight hundred sixty-five".