10205227 has 2 divisors, whose sum is σ = 10205228. Its totient is φ = 10205226.

The previous prime is 10205207. The next prime is 10205243. The reversal of 10205227 is 72250201.

It is a strong prime.

It is an emirp because it is prime and its reverse (72250201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10205227 is a prime.

It is not a weakly prime, because it can be changed into another prime (10205207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5102613 + 5102614.

It is an arithmetic number, because the mean of its divisors is an integer number (5102614).

Almost surely, 2^10205227 is an apocalyptic number.

10205227 is a deficient number, since it is larger than the sum of its proper divisors (1).

10205227 is an equidigital number, since it uses as much as digits as its factorization.

10205227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 10205227 is about 3194.5620983165. The cubic root of 10205227 is about 216.9073273295.

Adding to 10205227 its reverse (72250201), we get a palindrome (82455428).

The spelling of 10205227 in words is "ten million, two hundred five thousand, two hundred twenty-seven".