2210993 has 2 divisors, whose sum is σ = 2210994. Its totient is φ = 2210992.

The previous prime is 2210987. The next prime is 2211019. The reversal of 2210993 is 3990122.

2210993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (2211019) can be obtained adding 2210993 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1658944 + 552049 = 1288^2 + 743^2 .

It is a cyclic number.

It is not a de Polignac number, because 2210993 - 2⁴ = 2210977 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2210903) 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, 1105496 + 1105497.

It is an arithmetic number, because the mean of its divisors is an integer number (1105497).

2^2210993 is an apocalyptic number.

It is an amenable number.

2210993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2210993 is an equidigital number, since it uses as much as digits as its factorization.

2210993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 2210993 is about 1486.9408192662. The cubic root of 2210993 is about 130.2754121673.

The spelling of 2210993 in words is "two million, two hundred ten thousand, nine hundred ninety-three".