206009227 has 2 divisors, whose sum is σ = 206009228. Its totient is φ = 206009226.

The previous prime is 206009207. The next prime is 206009231. The reversal of 206009227 is 722900602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 206009227 - 2⁷ = 206009099 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 206009195 and 206009204.

It is not a weakly prime, because it can be changed into another prime (206009207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103004613 + 103004614.

It is an arithmetic number, because the mean of its divisors is an integer number (103004614).

Almost surely, 2^206009227 is an apocalyptic number.

206009227 is a deficient number, since it is larger than the sum of its proper divisors (1).

206009227 is an equidigital number, since it uses as much as digits as its factorization.

206009227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 206009227 is about 14353.0215285841. The cubic root of 206009227 is about 590.6028760486.

Adding to 206009227 its reverse (722900602), we get a palindrome (928909829).

The spelling of 206009227 in words is "two hundred six million, nine thousand, two hundred twenty-seven".