226258718009 has 2 divisors, whose sum is σ = 226258718010. Its totient is φ = 226258718008.

The previous prime is 226258717999. The next prime is 226258718017. The reversal of 226258718009 is 900817852622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193956564025 + 32302153984 = 440405^2 + 179728^2 .

It is a cyclic number.

It is not a de Polignac number, because 226258718009 - 2⁸ = 226258717753 is a prime.

It is not a weakly prime, because it can be changed into another prime (226258718089) 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, 113129359004 + 113129359005.

It is an arithmetic number, because the mean of its divisors is an integer number (113129359005).

Almost surely, 2^226258718009 is an apocalyptic number.

It is an amenable number.

226258718009 is a deficient number, since it is larger than the sum of its proper divisors (1).

226258718009 is an equidigital number, since it uses as much as digits as its factorization.

226258718009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 967680, while the sum is 50.

The spelling of 226258718009 in words is "two hundred twenty-six billion, two hundred fifty-eight million, seven hundred eighteen thousand, nine".