33225328 has 20 divisors (see below), whose sum is σ = 65002288. Its totient is φ = 16450560.

The previous prime is 33225323. The next prime is 33225331. The reversal of 33225328 is 82352233.

It is a super-2 number, since 2×33225328² = 2207844841415168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33225296 and 33225305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33225323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8433 + ... + 11728.

Almost surely, 2^33225328 is an apocalyptic number.

It is an amenable number.

33225328 is a deficient number, since it is larger than the sum of its proper divisors (31776960).

33225328 is a wasteful number, since it uses less digits than its factorization.

33225328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20272 (or 20266 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 33225328 is about 5764.1415666168. The cubic root of 33225328 is about 321.4818254292.

The spelling of 33225328 in words is "thirty-three million, two hundred twenty-five thousand, three hundred twenty-eight".