9221297 has 2 divisors, whose sum is σ = 9221298. Its totient is φ = 9221296.

The previous prime is 9221257. The next prime is 9221341. The reversal of 9221297 is 7921229.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9006001 + 215296 = 3001^2 + 464^2 .

It is an emirp because it is prime and its reverse (7921229) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9221297 - 2⁸ = 9221041 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9221207) 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, 4610648 + 4610649.

It is an arithmetic number, because the mean of its divisors is an integer number (4610649).

Almost surely, 2^9221297 is an apocalyptic number.

It is an amenable number.

9221297 is a deficient number, since it is larger than the sum of its proper divisors (1).

9221297 is an equidigital number, since it uses as much as digits as its factorization.

9221297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 32.

The square root of 9221297 is about 3036.6588547283. The cubic root of 9221297 is about 209.6994718619.

The spelling of 9221297 in words is "nine million, two hundred twenty-one thousand, two hundred ninety-seven".