822465089 has 2 divisors, whose sum is σ = 822465090. Its totient is φ = 822465088.

The previous prime is 822465047. The next prime is 822465097. The reversal of 822465089 is 980564228.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 790734400 + 31730689 = 28120^2 + 5633^2 .

It is a cyclic number.

It is not a de Polignac number, because 822465089 - 2⁸ = 822464833 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (822465689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 411232544 + 411232545.

It is an arithmetic number, because the mean of its divisors is an integer number (411232545).

Almost surely, 2^822465089 is an apocalyptic number.

It is an amenable number.

822465089 is a deficient number, since it is larger than the sum of its proper divisors (1).

822465089 is an equidigital number, since it uses as much as digits as its factorization.

822465089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 822465089 is about 28678.6521475470. The cubic root of 822465089 is about 936.9271504583.

The spelling of 822465089 in words is "eight hundred twenty-two million, four hundred sixty-five thousand, eighty-nine".