822893 has 2 divisors, whose sum is σ = 822894. Its totient is φ = 822892.

The previous prime is 822889. The next prime is 822901. The reversal of 822893 is 398228.

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., 644809 + 178084 = 803^2 + 422^2 .

It is a cyclic number.

It is not a de Polignac number, because 822893 - 2² = 822889 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (822803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 411446 + 411447.

It is an arithmetic number, because the mean of its divisors is an integer number (411447).

2⁸²²⁸⁹³ is an apocalyptic number.

It is an amenable number.

822893 is a deficient number, since it is larger than the sum of its proper divisors (1).

822893 is an equidigital number, since it uses as much as digits as its factorization.

822893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 32.

The square root of 822893 is about 907.1344993991. The cubic root of 822893 is about 93.7089610008.

The spelling of 822893 in words is "eight hundred twenty-two thousand, eight hundred ninety-three".