33855223 has 2 divisors, whose sum is σ = 33855224. Its totient is φ = 33855222.

The previous prime is 33855187. The next prime is 33855229. The reversal of 33855223 is 32255833.

33855223 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 a de Polignac number, because none of the positive numbers 2^k-33855223 is a prime.

It is a super-2 number, since 2×33855223² = 2292352248759458, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33855229) 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, 16927611 + 16927612.

It is an arithmetic number, because the mean of its divisors is an integer number (16927612).

Almost surely, 2^33855223 is an apocalyptic number.

33855223 is a deficient number, since it is larger than the sum of its proper divisors (1).

33855223 is an equidigital number, since it uses as much as digits as its factorization.

33855223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 31.

The square root of 33855223 is about 5818.5241255837. The cubic root of 33855223 is about 323.5007011301.

The spelling of 33855223 in words is "thirty-three million, eight hundred fifty-five thousand, two hundred twenty-three".