826223 has 4 divisors (see below), whose sum is σ = 829920. Its totient is φ = 822528.

The previous prime is 826211. The next prime is 826271. The reversal of 826223 is 322628.

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 826223 - 2¹⁰ = 825199 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 (826283) 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, 1490 + ... + 1967.

It is an arithmetic number, because the mean of its divisors is an integer number (207480).

2⁸²⁶²²³ is an apocalyptic number.

826223 is a deficient number, since it is larger than the sum of its proper divisors (3697).

826223 is a wasteful number, since it uses less digits than its factorization.

826223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3696.

The product of its digits is 1152, while the sum is 23.

The square root of 826223 is about 908.9680962498. The cubic root of 826223 is about 93.8351948524.

The spelling of 826223 in words is "eight hundred twenty-six thousand, two hundred twenty-three".