8664223 has 2 divisors, whose sum is σ = 8664224. Its totient is φ = 8664222.

The previous prime is 8664193. The next prime is 8664259. The reversal of 8664223 is 3224668.

8664223 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8664223 - 2¹³ = 8656031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8664023) 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, 4332111 + 4332112.

It is an arithmetic number, because the mean of its divisors is an integer number (4332112).

Almost surely, 2^8664223 is an apocalyptic number.

8664223 is a deficient number, since it is larger than the sum of its proper divisors (1).

8664223 is an equidigital number, since it uses as much as digits as its factorization.

8664223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 31.

The square root of 8664223 is about 2943.5052233689. The cubic root of 8664223 is about 205.3886973912.

The spelling of 8664223 in words is "eight million, six hundred sixty-four thousand, two hundred twenty-three".