226070309 has 2 divisors, whose sum is σ = 226070310. Its totient is φ = 226070308.

The previous prime is 226070297. The next prime is 226070311. The reversal of 226070309 is 903070622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 216737284 + 9333025 = 14722^2 + 3055^2 .

It is a cyclic number.

It is not a de Polignac number, because 226070309 - 2⁴ = 226070293 is a prime.

It is a super-2 number, since 2×226070309² = 102215569222710962, which contains 22 as substring.

Together with 226070311, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226070389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113035154 + 113035155.

It is an arithmetic number, because the mean of its divisors is an integer number (113035155).

Almost surely, 2^226070309 is an apocalyptic number.

It is an amenable number.

226070309 is a deficient number, since it is larger than the sum of its proper divisors (1).

226070309 is an equidigital number, since it uses as much as digits as its factorization.

226070309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 226070309 is about 15035.6346390832. The cubic root of 226070309 is about 609.1830944394.

The spelling of 226070309 in words is "two hundred twenty-six million, seventy thousand, three hundred nine".