2218093 has 2 divisors, whose sum is σ = 2218094. Its totient is φ = 2218092.

The previous prime is 2218091. The next prime is 2218121. The reversal of 2218093 is 3908122.

2218093 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 can be written as a sum of positive squares in only one way, i.e., 1447209 + 770884 = 1203^2 + 878^2 .

It is a cyclic number.

It is not a de Polignac number, because 2218093 - 2¹ = 2218091 is a prime.

Together with 2218091, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2218091) 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, 1109046 + 1109047.

It is an arithmetic number, because the mean of its divisors is an integer number (1109047).

2^2218093 is an apocalyptic number.

It is an amenable number.

2218093 is a deficient number, since it is larger than the sum of its proper divisors (1).

2218093 is an equidigital number, since it uses as much as digits as its factorization.

2218093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 2218093 is about 1489.3263577873. The cubic root of 2218093 is about 130.4147111321.

The spelling of 2218093 in words is "two million, two hundred eighteen thousand, ninety-three".