2251244635 has 16 divisors (see below), whose sum is σ = 2865182976. Its totient is φ = 1692223488.

The previous prime is 2251244629. The next prime is 2251244663. The reversal of 2251244635 is 5364421522.

It is a cyclic number.

It is not a de Polignac number, because 2251244635 - 2³ = 2251244627 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2251244635.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29779 + ... + 73411.

It is an arithmetic number, because the mean of its divisors is an integer number (179073936).

Almost surely, 2^2251244635 is an apocalyptic number.

2251244635 is a deficient number, since it is larger than the sum of its proper divisors (613938341).

2251244635 is a wasteful number, since it uses less digits than its factorization.

2251244635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44262.

The product of its digits is 57600, while the sum is 34.

The square root of 2251244635 is about 47447.2826935326. The cubic root of 2251244635 is about 1310.6122723039.

The spelling of 2251244635 in words is "two billion, two hundred fifty-one million, two hundred forty-four thousand, six hundred thirty-five".