226397207 has 2 divisors, whose sum is σ = 226397208. Its totient is φ = 226397206.

The previous prime is 226397201. The next prime is 226397209. The reversal of 226397207 is 702793622.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226397207 is a prime.

Together with 226397209, 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 (226397201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113198603 + 113198604.

It is an arithmetic number, because the mean of its divisors is an integer number (113198604).

Almost surely, 2^226397207 is an apocalyptic number.

226397207 is a deficient number, since it is larger than the sum of its proper divisors (1).

226397207 is an equidigital number, since it uses as much as digits as its factorization.

226397207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 226397207 is about 15046.5014870567. The cubic root of 226397207 is about 609.4765795756.

The spelling of 226397207 in words is "two hundred twenty-six million, three hundred ninety-seven thousand, two hundred seven".