822307726673 has 2 divisors, whose sum is σ = 822307726674. Its totient is φ = 822307726672.

The previous prime is 822307726649. The next prime is 822307726759. The reversal of 822307726673 is 376627703228.

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., 416835514384 + 405472212289 = 645628^2 + 636767^2 .

It is a cyclic number.

It is not a de Polignac number, because 822307726673 - 2³⁴ = 805127857489 is a prime.

It is a super-2 number, since 2×822307726673² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (822300726673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 411153863336 + 411153863337.

It is an arithmetic number, because the mean of its divisors is an integer number (411153863337).

Almost surely, 2^822307726673 is an apocalyptic number.

It is an amenable number.

822307726673 is a deficient number, since it is larger than the sum of its proper divisors (1).

822307726673 is an equidigital number, since it uses as much as digits as its factorization.

822307726673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7112448, while the sum is 53.

The spelling of 822307726673 in words is "eight hundred twenty-two billion, three hundred seven million, seven hundred twenty-six thousand, six hundred seventy-three".