822223 has 2 divisors, whose sum is σ = 822224. Its totient is φ = 822222.

The previous prime is 822221. The next prime is 822229. The reversal of 822223 is 322228.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 822223 - 2¹ = 822221 is a prime.

Together with 822221, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 822223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (822221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 411111 + 411112.

It is an arithmetic number, because the mean of its divisors is an integer number (411112).

2⁸²²²²³ is an apocalyptic number.

822223 is a deficient number, since it is larger than the sum of its proper divisors (1).

822223 is an equidigital number, since it uses as much as digits as its factorization.

822223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 384, while the sum is 19.

The square root of 822223 is about 906.7651294575. The cubic root of 822223 is about 93.6835214635.

The spelling of 822223 in words is "eight hundred twenty-two thousand, two hundred twenty-three".