2244950809 has 4 divisors (see below), whose sum is σ = 2245341904. Its totient is φ = 2244559716.

The previous prime is 2244950797. The next prime is 2244950819. The reversal of 2244950809 is 9080594422.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9080594422 = 2 ⋅4540297211.

It is a cyclic number.

It is not a de Polignac number, because 2244950809 - 2⁹ = 2244950297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2244950819) 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 3 ways as a sum of consecutive naturals, for example, 186807 + ... + 198460.

It is an arithmetic number, because the mean of its divisors is an integer number (561335476).

Almost surely, 2^2244950809 is an apocalyptic number.

It is an amenable number.

2244950809 is a deficient number, since it is larger than the sum of its proper divisors (391095).

2244950809 is an equidigital number, since it uses as much as digits as its factorization.

2244950809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391094.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 2244950809 is about 47380.9118633232. The cubic root of 2244950809 is about 1309.3897686158.

The spelling of 2244950809 in words is "two billion, two hundred forty-four million, nine hundred fifty thousand, eight hundred nine".