2066219 has 2 divisors, whose sum is σ = 2066220. Its totient is φ = 2066218.

The previous prime is 2066209. The next prime is 2066249. The reversal of 2066219 is 9126602.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2066219 - 2⁴ = 2066203 is a prime.

It is a super-2 number, since 2×2066219² = 8538521911922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2066209) 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, 1033109 + 1033110.

It is an arithmetic number, because the mean of its divisors is an integer number (1033110).

2^2066219 is an apocalyptic number.

2066219 is a deficient number, since it is larger than the sum of its proper divisors (1).

2066219 is an equidigital number, since it uses as much as digits as its factorization.

2066219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 2066219 is about 1437.4348680897. The cubic root of 2066219 is about 127.3675466726.

The spelling of 2066219 in words is "two million, sixty-six thousand, two hundred nineteen".