226666207 has 2 divisors, whose sum is σ = 226666208. Its totient is φ = 226666206.

The previous prime is 226666199. The next prime is 226666243. The reversal of 226666207 is 702666622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 226666207 - 2³ = 226666199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226666507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113333103 + 113333104.

It is an arithmetic number, because the mean of its divisors is an integer number (113333104).

Almost surely, 2^226666207 is an apocalyptic number.

226666207 is a deficient number, since it is larger than the sum of its proper divisors (1).

226666207 is an equidigital number, since it uses as much as digits as its factorization.

226666207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 226666207 is about 15055.4377883873. The cubic root of 226666207 is about 609.7178727602.

The spelling of 226666207 in words is "two hundred twenty-six million, six hundred sixty-six thousand, two hundred seven".