822127069 has 2 divisors, whose sum is σ = 822127070. Its totient is φ = 822127068.

The previous prime is 822127027. The next prime is 822127081. The reversal of 822127069 is 960721228.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 568107225 + 254019844 = 23835^2 + 15938^2 .

It is a cyclic number.

It is not a de Polignac number, because 822127069 - 2¹¹ = 822125021 is a prime.

It is a super-2 number, since 2×822127069² = 1351785835165061522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (822125069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 411063534 + 411063535.

It is an arithmetic number, because the mean of its divisors is an integer number (411063535).

Almost surely, 2^822127069 is an apocalyptic number.

It is an amenable number.

822127069 is a deficient number, since it is larger than the sum of its proper divisors (1).

822127069 is an equidigital number, since it uses as much as digits as its factorization.

822127069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 822127069 is about 28672.7583081921. The cubic root of 822127069 is about 936.7987788448.

The spelling of 822127069 in words is "eight hundred twenty-two million, one hundred twenty-seven thousand, sixty-nine".