33386228 has 12 divisors (see below), whose sum is σ = 58541280. Its totient is φ = 16660152.

The previous prime is 33386219. The next prime is 33386231. The reversal of 33386228 is 82268333.

It is a super-2 number, since 2×33386228² = 2229280440135968, which contains 22 as substring.

It is a congruent number.

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, 5888 + ... + 10071.

It is an arithmetic number, because the mean of its divisors is an integer number (4878440).

Almost surely, 2^33386228 is an apocalyptic number.

It is an amenable number.

33386228 is a deficient number, since it is larger than the sum of its proper divisors (25155052).

33386228 is a wasteful number, since it uses less digits than its factorization.

33386228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16486 (or 16484 counting only the distinct ones).

The product of its digits is 41472, while the sum is 35.

The square root of 33386228 is about 5778.0816885884. The cubic root of 33386228 is about 321.9999357021. Note that the first 4 decimals are identical.

The spelling of 33386228 in words is "thirty-three million, three hundred eighty-six thousand, two hundred twenty-eight".