822810223 has 2 divisors, whose sum is σ = 822810224. Its totient is φ = 822810222.

The previous prime is 822810199. The next prime is 822810259. The reversal of 822810223 is 322018228.

822810223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-822810223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 822810191 and 822810200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (822817223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 411405111 + 411405112.

It is an arithmetic number, because the mean of its divisors is an integer number (411405112).

Almost surely, 2^822810223 is an apocalyptic number.

822810223 is a deficient number, since it is larger than the sum of its proper divisors (1).

822810223 is an equidigital number, since it uses as much as digits as its factorization.

822810223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 822810223 is about 28684.6687796809. The cubic root of 822810223 is about 937.0581875071.

The spelling of 822810223 in words is "eight hundred twenty-two million, eight hundred ten thousand, two hundred twenty-three".