822110161 has 2 divisors, whose sum is σ = 822110162. Its totient is φ = 822110160.

The previous prime is 822110153. The next prime is 822110203. The reversal of 822110161 is 161011228.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 485937936 + 336172225 = 22044^2 + 18335^2 .

It is a cyclic number.

It is not a de Polignac number, because 822110161 - 2³ = 822110153 is a prime.

It is not a weakly prime, because it can be changed into another prime (822110101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 411055080 + 411055081.

It is an arithmetic number, because the mean of its divisors is an integer number (411055081).

Almost surely, 2^822110161 is an apocalyptic number.

It is an amenable number.

822110161 is a deficient number, since it is larger than the sum of its proper divisors (1).

822110161 is an equidigital number, since it uses as much as digits as its factorization.

822110161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 22.

The square root of 822110161 is about 28672.4634623536. The cubic root of 822110161 is about 936.7923566818.

Adding to 822110161 its reverse (161011228), we get a palindrome (983121389).

The spelling of 822110161 in words is "eight hundred twenty-two million, one hundred ten thousand, one hundred sixty-one".