6559223 has 4 divisors (see below), whose sum is σ = 7155528. Its totient is φ = 5962920.

The previous prime is 6559219. The next prime is 6559253. The reversal of 6559223 is 3229556.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6559223 - 2² = 6559219 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6559223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6559253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298136 + ... + 298157.

It is an arithmetic number, because the mean of its divisors is an integer number (1788882).

Almost surely, 2^6559223 is an apocalyptic number.

6559223 is a deficient number, since it is larger than the sum of its proper divisors (596305).

6559223 is a wasteful number, since it uses less digits than its factorization.

6559223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596304.

The product of its digits is 16200, while the sum is 32.

The square root of 6559223 is about 2561.0980067151. The cubic root of 6559223 is about 187.1906412731.

The spelling of 6559223 in words is "six million, five hundred fifty-nine thousand, two hundred twenty-three".