8397223 has 2 divisors, whose sum is σ = 8397224. Its totient is φ = 8397222.

The previous prime is 8397217. The next prime is 8397227. The reversal of 8397223 is 3227938.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8397223 - 2¹⁷ = 8266151 is a prime.

It is a super-2 number, since 2×8397223² = 141026708223458, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8397227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4198611 + 4198612.

It is an arithmetic number, because the mean of its divisors is an integer number (4198612).

Almost surely, 2^8397223 is an apocalyptic number.

8397223 is a deficient number, since it is larger than the sum of its proper divisors (1).

8397223 is an equidigital number, since it uses as much as digits as its factorization.

8397223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 34.

The square root of 8397223 is about 2897.7962316215. The cubic root of 8397223 is about 203.2568678409.

Multiplying 8397223 by its sum of digits (34), we get a palindrome (285505582).

The spelling of 8397223 in words is "eight million, three hundred ninety-seven thousand, two hundred twenty-three".