2258228249 has 2 divisors, whose sum is σ = 2258228250. Its totient is φ = 2258228248.

The previous prime is 2258228237. The next prime is 2258228267. The reversal of 2258228249 is 9428228522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1294560400 + 963667849 = 35980^2 + 31043^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2258228249 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2258228279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1129114124 + 1129114125.

It is an arithmetic number, because the mean of its divisors is an integer number (1129114125).

Almost surely, 2^2258228249 is an apocalyptic number.

It is an amenable number.

2258228249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2258228249 is an equidigital number, since it uses as much as digits as its factorization.

2258228249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 368640, while the sum is 44.

The square root of 2258228249 is about 47520.8191112064. The cubic root of 2258228249 is about 1311.9660955772.

The spelling of 2258228249 in words is "two billion, two hundred fifty-eight million, two hundred twenty-eight thousand, two hundred forty-nine".