2266640459 has 2 divisors, whose sum is σ = 2266640460. Its totient is φ = 2266640458.

The previous prime is 2266640449. The next prime is 2266640489. The reversal of 2266640459 is 9540466622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2266640459 - 2¹² = 2266636363 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2266640449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1133320229 + 1133320230.

It is an arithmetic number, because the mean of its divisors is an integer number (1133320230).

Almost surely, 2^2266640459 is an apocalyptic number.

2266640459 is a deficient number, since it is larger than the sum of its proper divisors (1).

2266640459 is an equidigital number, since it uses as much as digits as its factorization.

2266640459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 622080, while the sum is 44.

The square root of 2266640459 is about 47609.2476206041. The cubic root of 2266640459 is about 1313.5931614570.

The spelling of 2266640459 in words is "two billion, two hundred sixty-six million, six hundred forty thousand, four hundred fifty-nine".