822070609 has 2 divisors, whose sum is σ = 822070610. Its totient is φ = 822070608.

The previous prime is 822070591. The next prime is 822070631. The reversal of 822070609 is 906070228.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 796819984 + 25250625 = 28228^2 + 5025^2 .

It is a cyclic number.

It is not a de Polignac number, because 822070609 - 2¹¹ = 822068561 is a prime.

It is not a weakly prime, because it can be changed into another prime (822670609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 411035304 + 411035305.

It is an arithmetic number, because the mean of its divisors is an integer number (411035305).

Almost surely, 2^822070609 is an apocalyptic number.

It is an amenable number.

822070609 is a deficient number, since it is larger than the sum of its proper divisors (1).

822070609 is an equidigital number, since it uses as much as digits as its factorization.

822070609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 822070609 is about 28671.7737330637. The cubic root of 822070609 is about 936.7773333077. Note that the first 3 decimals are identical.

The spelling of 822070609 in words is "eight hundred twenty-two million, seventy thousand, six hundred nine".