33805228 has 12 divisors (see below), whose sum is σ = 59203872. Its totient is φ = 16889840.

The previous prime is 33805207. The next prime is 33805253. The reversal of 33805228 is 82250833.

It is a super-2 number, since 2×33805228² = 2285586880263968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33805228.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5226 + ... + 9742.

It is an arithmetic number, because the mean of its divisors is an integer number (4933656).

Almost surely, 2^33805228 is an apocalyptic number.

It is an amenable number.

33805228 is a deficient number, since it is larger than the sum of its proper divisors (25398644).

33805228 is a wasteful number, since it uses less digits than its factorization.

33805228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6392 (or 6390 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 33805228 is about 5814.2263457832. The cubic root of 33805228 is about 323.3413816917.

The spelling of 33805228 in words is "thirty-three million, eight hundred five thousand, two hundred twenty-eight".