844223 has 8 divisors (see below), whose sum is σ = 882816. Its totient is φ = 806400.

The previous prime is 844201. The next prime is 844243. The reversal of 844223 is 322448.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-844223 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 (844243) 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 7 ways as a sum of consecutive naturals, for example, 3383 + ... + 3623.

It is an arithmetic number, because the mean of its divisors is an integer number (110352).

2⁸⁴⁴²²³ is an apocalyptic number.

844223 is a deficient number, since it is larger than the sum of its proper divisors (38593).

844223 is a wasteful number, since it uses less digits than its factorization.

844223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385.

The product of its digits is 1536, while the sum is 23.

The square root of 844223 is about 918.8160860586. The cubic root of 844223 is about 94.5117330038.

The spelling of 844223 in words is "eight hundred forty-four thousand, two hundred twenty-three".