33806219 has 2 divisors, whose sum is σ = 33806220. Its totient is φ = 33806218.

The previous prime is 33806173. The next prime is 33806243. The reversal of 33806219 is 91260833.

33806219 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 33806219 - 2²⁰ = 32757643 is a prime.

It is a super-2 number, since 2×33806219² = 2285720886151922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (33806819) 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, 16903109 + 16903110.

It is an arithmetic number, because the mean of its divisors is an integer number (16903110).

Almost surely, 2^33806219 is an apocalyptic number.

33806219 is a deficient number, since it is larger than the sum of its proper divisors (1).

33806219 is an equidigital number, since it uses as much as digits as its factorization.

33806219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 33806219 is about 5814.3115671591. The cubic root of 33806219 is about 323.3445412442.

The spelling of 33806219 in words is "thirty-three million, eight hundred six thousand, two hundred nineteen".