2245323449 has 2 divisors, whose sum is σ = 2245323450. Its totient is φ = 2245323448.

The previous prime is 2245323439. The next prime is 2245323523. The reversal of 2245323449 is 9443235422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2204772025 + 40551424 = 46955^2 + 6368^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2245323449 is a prime.

It is not a weakly prime, because it can be changed into another prime (2245323439) 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 as a sum of consecutive naturals, namely, 1122661724 + 1122661725.

It is an arithmetic number, because the mean of its divisors is an integer number (1122661725).

Almost surely, 2^2245323449 is an apocalyptic number.

It is an amenable number.

2245323449 is a deficient number, since it is larger than the sum of its proper divisors (1).

2245323449 is an equidigital number, since it uses as much as digits as its factorization.

2245323449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 38.

The square root of 2245323449 is about 47384.8440854246. The cubic root of 2245323449 is about 1309.4622132631.

The spelling of 2245323449 in words is "two billion, two hundred forty-five million, three hundred twenty-three thousand, four hundred forty-nine".