33304228 has 6 divisors (see below), whose sum is σ = 58282406. Its totient is φ = 16652112.

The previous prime is 33304223. The next prime is 33304237. The reversal of 33304228 is 82240333.

It can be written as a sum of positive squares in only one way, i.e., 26132544 + 7171684 = 5112^2 + 2678^2 .

It is a super-2 number, since 2×33304228² = 2218343205351968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33304223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4163025 + ... + 4163032.

Almost surely, 2^33304228 is an apocalyptic number.

It is an amenable number.

33304228 is a deficient number, since it is larger than the sum of its proper divisors (24978178).

33304228 is a wasteful number, since it uses less digits than its factorization.

33304228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8326061 (or 8326059 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 33304228 is about 5770.9815456298. The cubic root of 33304228 is about 321.7360979579.

The spelling of 33304228 in words is "thirty-three million, three hundred four thousand, two hundred twenty-eight".