822223489 has 2 divisors, whose sum is σ = 822223490. Its totient is φ = 822223488.

The previous prime is 822223427. The next prime is 822223543. The reversal of 822223489 is 984322228.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 605898225 + 216325264 = 24615^2 + 14708^2 .

It is a cyclic number.

It is not a de Polignac number, because 822223489 - 2⁹ = 822222977 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (822223289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 411111744 + 411111745.

It is an arithmetic number, because the mean of its divisors is an integer number (411111745).

Almost surely, 2^822223489 is an apocalyptic number.

It is an amenable number.

822223489 is a deficient number, since it is larger than the sum of its proper divisors (1).

822223489 is an equidigital number, since it uses as much as digits as its factorization.

822223489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110592, while the sum is 40.

The square root of 822223489 is about 28674.4396457891. The cubic root of 822223489 is about 936.8354003562.

The spelling of 822223489 in words is "eight hundred twenty-two million, two hundred twenty-three thousand, four hundred eighty-nine".