822867673 has 2 divisors, whose sum is σ = 822867674. Its totient is φ = 822867672.

The previous prime is 822867667. The next prime is 822867691. The reversal of 822867673 is 376768228.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 641507584 + 181360089 = 25328^2 + 13467^2 .

It is a cyclic number.

It is not a de Polignac number, because 822867673 - 2⁵ = 822867641 is a prime.

It is a super-2 number, since 2×822867673² = 1354222414536869858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (822867623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 411433836 + 411433837.

It is an arithmetic number, because the mean of its divisors is an integer number (411433837).

Almost surely, 2^822867673 is an apocalyptic number.

It is an amenable number.

822867673 is a deficient number, since it is larger than the sum of its proper divisors (1).

822867673 is an equidigital number, since it uses as much as digits as its factorization.

822867673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1354752, while the sum is 49.

The square root of 822867673 is about 28685.6701682216. The cubic root of 822867673 is about 937.0799959949.

The spelling of 822867673 in words is "eight hundred twenty-two million, eight hundred sixty-seven thousand, six hundred seventy-three".