2245266209 has 2 divisors, whose sum is σ = 2245266210. Its totient is φ = 2245266208.

The previous prime is 2245266193. The next prime is 2245266229. The reversal of 2245266209 is 9026625422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2241549025 + 3717184 = 47345^2 + 1928^2 .

It is a cyclic number.

It is not a de Polignac number, because 2245266209 - 2⁴ = 2245266193 is a prime.

It is not a weakly prime, because it can be changed into another prime (2245266229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1122633104 + 1122633105.

It is an arithmetic number, because the mean of its divisors is an integer number (1122633105).

Almost surely, 2^2245266209 is an apocalyptic number.

It is an amenable number.

2245266209 is a deficient number, since it is larger than the sum of its proper divisors (1).

2245266209 is an equidigital number, since it uses as much as digits as its factorization.

2245266209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 2245266209 is about 47384.2400909838. The cubic root of 2245266209 is about 1309.4510858011.

The spelling of 2245266209 in words is "two billion, two hundred forty-five million, two hundred sixty-six thousand, two hundred nine".