226717409 has 2 divisors, whose sum is σ = 226717410. Its totient is φ = 226717408.

The previous prime is 226717397. The next prime is 226717429. The reversal of 226717409 is 904717622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 183683809 + 43033600 = 13553^2 + 6560^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226717409 is a prime.

It is a super-3 number, since 3×226717409³ (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (226717429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113358704 + 113358705.

It is an arithmetic number, because the mean of its divisors is an integer number (113358705).

Almost surely, 2^226717409 is an apocalyptic number.

It is an amenable number.

226717409 is a deficient number, since it is larger than the sum of its proper divisors (1).

226717409 is an equidigital number, since it uses as much as digits as its factorization.

226717409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 226717409 is about 15057.1381410944. The cubic root of 226717409 is about 609.7637793593.

The spelling of 226717409 in words is "two hundred twenty-six million, seven hundred seventeen thousand, four hundred nine".