226988717 has 2 divisors, whose sum is σ = 226988718. Its totient is φ = 226988716.

The previous prime is 226988711. The next prime is 226988737. The reversal of 226988717 is 717889622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 140517316 + 86471401 = 11854^2 + 9299^2 .

It is a cyclic number.

It is not a de Polignac number, because 226988717 - 2⁶ = 226988653 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226988711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113494358 + 113494359.

It is an arithmetic number, because the mean of its divisors is an integer number (113494359).

Almost surely, 2^226988717 is an apocalyptic number.

It is an amenable number.

226988717 is a deficient number, since it is larger than the sum of its proper divisors (1).

226988717 is an equidigital number, since it uses as much as digits as its factorization.

226988717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 677376, while the sum is 50.

The square root of 226988717 is about 15066.1447291601. The cubic root of 226988717 is about 610.0069129379.

The spelling of 226988717 in words is "two hundred twenty-six million, nine hundred eighty-eight thousand, seven hundred seventeen".