822602489 has 2 divisors, whose sum is σ = 822602490. Its totient is φ = 822602488.

The previous prime is 822602461. The next prime is 822602497. The reversal of 822602489 is 984206228.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 733488889 + 89113600 = 27083^2 + 9440^2 .

It is a cyclic number.

It is not a de Polignac number, because 822602489 - 2⁸ = 822602233 is a prime.

It is not a weakly prime, because it can be changed into another prime (822602449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 411301244 + 411301245.

It is an arithmetic number, because the mean of its divisors is an integer number (411301245).

Almost surely, 2^822602489 is an apocalyptic number.

It is an amenable number.

822602489 is a deficient number, since it is larger than the sum of its proper divisors (1).

822602489 is an equidigital number, since it uses as much as digits as its factorization.

822602489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 822602489 is about 28681.0475575771. The cubic root of 822602489 is about 936.9793215167.

The spelling of 822602489 in words is "eight hundred twenty-two million, six hundred two thousand, four hundred eighty-nine".