6304223 has 4 divisors (see below), whose sum is σ = 6521640. Its totient is φ = 6086808.

The previous prime is 6304217. The next prime is 6304241. The reversal of 6304223 is 3224036.

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 6304223 - 2⁶ = 6304159 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6304195 and 6304204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6304213) 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, 108665 + ... + 108722.

It is an arithmetic number, because the mean of its divisors is an integer number (1630410).

Almost surely, 2^6304223 is an apocalyptic number.

6304223 is a deficient number, since it is larger than the sum of its proper divisors (217417).

6304223 is a wasteful number, since it uses less digits than its factorization.

6304223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217416.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 6304223 is about 2510.8211804109. The cubic root of 6304223 is about 184.7327331343.

Adding to 6304223 its reverse (3224036), we get a palindrome (9528259).

The spelling of 6304223 in words is "six million, three hundred four thousand, two hundred twenty-three".