822793 has 2 divisors, whose sum is σ = 822794. Its totient is φ = 822792.

The previous prime is 822791. The next prime is 822803. The reversal of 822793 is 397228.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 822649 + 144 = 907^2 + 12^2 .

It is a cyclic number.

It is not a de Polignac number, because 822793 - 2¹ = 822791 is a prime.

Together with 822791, it forms a pair of twin primes.

822793 is a lucky number.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (822791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 411396 + 411397.

It is an arithmetic number, because the mean of its divisors is an integer number (411397).

2⁸²²⁷⁹³ is an apocalyptic number.

It is an amenable number.

822793 is a deficient number, since it is larger than the sum of its proper divisors (1).

822793 is an equidigital number, since it uses as much as digits as its factorization.

822793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 31.

The square root of 822793 is about 907.0793791064. The cubic root of 822793 is about 93.7051649318.

It can be divided in two parts, 8 and 22793, that added together give a square (22801 = 151²).

The spelling of 822793 in words is "eight hundred twenty-two thousand, seven hundred ninety-three".