33856223 has 8 divisors (see below), whose sum is σ = 34428240. Its totient is φ = 33288640.

The previous prime is 33856219. The next prime is 33856237. The reversal of 33856223 is 32265833.

33856223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33856223 - 2² = 33856219 is a prime.

It is a super-2 number, since 2×33856223² = 2292487671651458, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33856223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33856723) 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 in 7 ways as a sum of consecutive naturals, for example, 16568 + ... + 18498.

It is an arithmetic number, because the mean of its divisors is an integer number (4303530).

Almost surely, 2^33856223 is an apocalyptic number.

33856223 is a deficient number, since it is larger than the sum of its proper divisors (572017).

33856223 is a wasteful number, since it uses less digits than its factorization.

33856223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2217.

The product of its digits is 25920, while the sum is 32.

The square root of 33856223 is about 5818.6100573934. The cubic root of 33856223 is about 323.5038862370.

The spelling of 33856223 in words is "thirty-three million, eight hundred fifty-six thousand, two hundred twenty-three".