226306709 has 2 divisors, whose sum is σ = 226306710. Its totient is φ = 226306708.

The previous prime is 226306687. The next prime is 226306813. The reversal of 226306709 is 907603622.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 151536100 + 74770609 = 12310^2 + 8647^2 .

It is a cyclic number.

It is not a de Polignac number, because 226306709 - 2²⁴ = 209529493 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 (226306309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113153354 + 113153355.

It is an arithmetic number, because the mean of its divisors is an integer number (113153355).

Almost surely, 2^226306709 is an apocalyptic number.

It is an amenable number.

226306709 is a deficient number, since it is larger than the sum of its proper divisors (1).

226306709 is an equidigital number, since it uses as much as digits as its factorization.

226306709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 226306709 is about 15043.4939093284. The cubic root of 226306709 is about 609.3953598422.

The spelling of 226306709 in words is "two hundred twenty-six million, three hundred six thousand, seven hundred nine".