2211983 has 2 divisors, whose sum is σ = 2211984. Its totient is φ = 2211982.

The previous prime is 2211977. The next prime is 2211997. The reversal of 2211983 is 3891122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2211983 - 2⁴ = 2211967 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2211953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105991 + 1105992.

It is an arithmetic number, because the mean of its divisors is an integer number (1105992).

2^2211983 is an apocalyptic number.

2211983 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211983 is an equidigital number, since it uses as much as digits as its factorization.

2211983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 26.

The square root of 2211983 is about 1487.2736802620. The cubic root of 2211983 is about 130.2948534189.

The spelling of 2211983 in words is "two million, two hundred eleven thousand, nine hundred eighty-three".