822343 has 2 divisors, whose sum is σ = 822344. Its totient is φ = 822342.

The previous prime is 822329. The next prime is 822347. The reversal of 822343 is 343228.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-822343 is a prime.

822343 is a lucky number.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (822347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 411171 + 411172.

It is an arithmetic number, because the mean of its divisors is an integer number (411172).

2⁸²²³⁴³ is an apocalyptic number.

822343 is a deficient number, since it is larger than the sum of its proper divisors (1).

822343 is an equidigital number, since it uses as much as digits as its factorization.

822343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 22.

The square root of 822343 is about 906.8312963280. The cubic root of 822343 is about 93.6880788142.

The spelling of 822343 in words is "eight hundred twenty-two thousand, three hundred forty-three".