6828223 has 4 divisors (see below), whose sum is σ = 6874200. Its totient is φ = 6782248.

The previous prime is 6828197. The next prime is 6828259. The reversal of 6828223 is 3228286.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6828223 is a prime.

It is a Duffinian number.

6828223 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6828293) 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, 22765 + ... + 23062.

It is an arithmetic number, because the mean of its divisors is an integer number (1718550).

Almost surely, 2^6828223 is an apocalyptic number.

6828223 is a deficient number, since it is larger than the sum of its proper divisors (45977).

6828223 is a wasteful number, since it uses less digits than its factorization.

6828223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45976.

The product of its digits is 9216, while the sum is 31.

The square root of 6828223 is about 2613.0868718816. The cubic root of 6828223 is about 189.7153910598.

The spelling of 6828223 in words is "six million, eight hundred twenty-eight thousand, two hundred twenty-three".