822011 has 2 divisors, whose sum is σ = 822012. Its totient is φ = 822010.

The previous prime is 822007. The next prime is 822013. The reversal of 822011 is 110228.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 822011 - 2² = 822007 is a prime.

Together with 822013, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (822013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 411005 + 411006.

It is an arithmetic number, because the mean of its divisors is an integer number (411006).

2⁸²²⁰¹¹ is an apocalyptic number.

822011 is a deficient number, since it is larger than the sum of its proper divisors (1).

822011 is an equidigital number, since it uses as much as digits as its factorization.

822011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 822011 is about 906.6482228516. The cubic root of 822011 is about 93.6754690601.

Adding to 822011 its reverse (110228), we get a palindrome (932239).

The spelling of 822011 in words is "eight hundred twenty-two thousand, eleven".