9315223 has 2 divisors, whose sum is σ = 9315224. Its totient is φ = 9315222.

The previous prime is 9315199. The next prime is 9315239. The reversal of 9315223 is 3225139.

It is a happy number.

9315223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (3225139) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9315223 - 2⁵ = 9315191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9315623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4657611 + 4657612.

It is an arithmetic number, because the mean of its divisors is an integer number (4657612).

Almost surely, 2^9315223 is an apocalyptic number.

9315223 is a deficient number, since it is larger than the sum of its proper divisors (1).

9315223 is an equidigital number, since it uses as much as digits as its factorization.

9315223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1620, while the sum is 25.

The square root of 9315223 is about 3052.0850250280. The cubic root of 9315223 is about 210.4090515341.

The spelling of 9315223 in words is "nine million, three hundred fifteen thousand, two hundred twenty-three".