2206823 has 2 divisors, whose sum is σ = 2206824. Its totient is φ = 2206822.

The previous prime is 2206819. The next prime is 2206829. The reversal of 2206823 is 3286022.

2206823 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2206823 - 2² = 2206819 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2206829) 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, 1103411 + 1103412.

It is an arithmetic number, because the mean of its divisors is an integer number (1103412).

2^2206823 is an apocalyptic number.

2206823 is a deficient number, since it is larger than the sum of its proper divisors (1).

2206823 is an equidigital number, since it uses as much as digits as its factorization.

2206823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 2206823 is about 1485.5379497004. The cubic root of 2206823 is about 130.1934594950.

The spelling of 2206823 in words is "two million, two hundred six thousand, eight hundred twenty-three".