9318223 has 4 divisors (see below), whose sum is σ = 9325008. Its totient is φ = 9311440.

The previous prime is 9318209. The next prime is 9318271. The reversal of 9318223 is 3228139.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9318223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9318191 and 9318200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9318623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 523 + ... + 4348.

It is an arithmetic number, because the mean of its divisors is an integer number (2331252).

Almost surely, 2^9318223 is an apocalyptic number.

9318223 is a deficient number, since it is larger than the sum of its proper divisors (6785).

9318223 is a wasteful number, since it uses less digits than its factorization.

9318223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6784.

The product of its digits is 2592, while the sum is 28.

The square root of 9318223 is about 3052.5764527690. The cubic root of 9318223 is about 210.4316367656.

The spelling of 9318223 in words is "nine million, three hundred eighteen thousand, two hundred twenty-three".