822697793 has 2 divisors, whose sum is σ = 822697794. Its totient is φ = 822697792.

The previous prime is 822697769. The next prime is 822697817. The reversal of 822697793 is 397796228.

It is a balanced prime because it is at equal distance from previous prime (822697769) and next prime (822697817).

It can be written as a sum of positive squares in only one way, i.e., 781314304 + 41383489 = 27952^2 + 6433^2 .

It is a cyclic number.

It is not a de Polignac number, because 822697793 - 2⁸ = 822697537 is a prime.

It is not a weakly prime, because it can be changed into another prime (822697703) 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, 411348896 + 411348897.

It is an arithmetic number, because the mean of its divisors is an integer number (411348897).

Almost surely, 2^822697793 is an apocalyptic number.

It is an amenable number.

822697793 is a deficient number, since it is larger than the sum of its proper divisors (1).

822697793 is an equidigital number, since it uses as much as digits as its factorization.

822697793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2286144, while the sum is 53.

The square root of 822697793 is about 28682.7089550482. The cubic root of 822697793 is about 937.0155052263.

The spelling of 822697793 in words is "eight hundred twenty-two million, six hundred ninety-seven thousand, seven hundred ninety-three".