9965227 has 2 divisors, whose sum is σ = 9965228. Its totient is φ = 9965226.

The previous prime is 9965203. The next prime is 9965239. The reversal of 9965227 is 7225699.

It is a happy number.

9965227 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9965227 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9965227.

It is not a weakly prime, because it can be changed into another prime (9965257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4982613 + 4982614.

It is an arithmetic number, because the mean of its divisors is an integer number (4982614).

Almost surely, 2^9965227 is an apocalyptic number.

9965227 is a deficient number, since it is larger than the sum of its proper divisors (1).

9965227 is an equidigital number, since it uses as much as digits as its factorization.

9965227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 40.

The square root of 9965227 is about 3156.7747781557. The cubic root of 9965227 is about 215.1934584667.

The spelling of 9965227 in words is "nine million, nine hundred sixty-five thousand, two hundred twenty-seven".