822125069 has 2 divisors, whose sum is σ = 822125070. Its totient is φ = 822125068.

The previous prime is 822125033. The next prime is 822125107. The reversal of 822125069 is 960521228.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 739132969 + 82992100 = 27187^2 + 9110^2 .

It is a cyclic number.

It is not a de Polignac number, because 822125069 - 2¹⁶ = 822059533 is a prime.

It is a super-2 number, since 2×822125069² = 1351779258156509522, 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 (822125569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 411062534 + 411062535.

It is an arithmetic number, because the mean of its divisors is an integer number (411062535).

Almost surely, 2^822125069 is an apocalyptic number.

It is an amenable number.

822125069 is a deficient number, since it is larger than the sum of its proper divisors (1).

822125069 is an equidigital number, since it uses as much as digits as its factorization.

822125069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 822125069 is about 28672.7234318612. The cubic root of 822125069 is about 936.7980191897.

The spelling of 822125069 in words is "eight hundred twenty-two million, one hundred twenty-five thousand, sixty-nine".