9225217 has 2 divisors, whose sum is σ = 9225218. Its totient is φ = 9225216.

The previous prime is 9225211. The next prime is 9225221. The reversal of 9225217 is 7125229.

9225217 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 can be written as a sum of positive squares in only one way, i.e., 9217296 + 7921 = 3036^2 + 89^2 .

It is a cyclic number.

It is not a de Polignac number, because 9225217 - 2¹¹ = 9223169 is a prime.

9225217 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (9225211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4612608 + 4612609.

It is an arithmetic number, because the mean of its divisors is an integer number (4612609).

Almost surely, 2^9225217 is an apocalyptic number.

It is an amenable number.

9225217 is a deficient number, since it is larger than the sum of its proper divisors (1).

9225217 is an equidigital number, since it uses as much as digits as its factorization.

9225217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 28.

The square root of 9225217 is about 3037.3042323745. The cubic root of 9225217 is about 209.7291822695.

The spelling of 9225217 in words is "nine million, two hundred twenty-five thousand, two hundred seventeen".