2244518251 has 4 divisors (see below), whose sum is σ = 2245201504. Its totient is φ = 2243835000.

The previous prime is 2244518239. The next prime is 2244518261. The reversal of 2244518251 is 1528154422.

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

It is a cyclic number.

It is not a de Polignac number, because 2244518251 - 2⁵ = 2244518219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2244518201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336675 + ... + 343276.

It is an arithmetic number, because the mean of its divisors is an integer number (561300376).

Almost surely, 2^2244518251 is an apocalyptic number.

2244518251 is a deficient number, since it is larger than the sum of its proper divisors (683253).

2244518251 is an equidigital number, since it uses as much as digits as its factorization.

2244518251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683252.

The product of its digits is 25600, while the sum is 34.

The square root of 2244518251 is about 47376.3469571051. The cubic root of 2244518251 is about 1309.3056653029.

The spelling of 2244518251 in words is "two billion, two hundred forty-four million, five hundred eighteen thousand, two hundred fifty-one".