6606223 has 4 divisors (see below), whose sum is σ = 7114408. Its totient is φ = 6098040.

The previous prime is 6606209. The next prime is 6606233. The reversal of 6606223 is 3226066.

6606223 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3226066 = 2 ⋅1613033.

It is not a de Polignac number, because 6606223 - 2⁵ = 6606191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6606233) 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, 254073 + ... + 254098.

It is an arithmetic number, because the mean of its divisors is an integer number (1778602).

Almost surely, 2^6606223 is an apocalyptic number.

6606223 is a deficient number, since it is larger than the sum of its proper divisors (508185).

6606223 is a wasteful number, since it uses less digits than its factorization.

6606223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508184.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 6606223 is about 2570.2573801081. The cubic root of 6606223 is about 187.6366813766.

The spelling of 6606223 in words is "six million, six hundred six thousand, two hundred twenty-three".