2206943 has 2 divisors, whose sum is σ = 2206944. Its totient is φ = 2206942.

The previous prime is 2206937. The next prime is 2206969. The reversal of 2206943 is 3496022.

It is an a-pointer prime, because the next prime (2206969) can be obtained adding 2206943 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2206943 - 2⁴ = 2206927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2206993) 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, 1103471 + 1103472.

It is an arithmetic number, because the mean of its divisors is an integer number (1103472).

2^2206943 is an apocalyptic number.

2206943 is a deficient number, since it is larger than the sum of its proper divisors (1).

2206943 is an equidigital number, since it uses as much as digits as its factorization.

2206943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 2206943 is about 1485.5783385604. The cubic root of 2206943 is about 130.1958192873.

The spelling of 2206943 in words is "two million, two hundred six thousand, nine hundred forty-three".