33283216 has 10 divisors (see below), whose sum is σ = 64486262. Its totient is φ = 16641600.

The previous prime is 33283183. The next prime is 33283291. The reversal of 33283216 is 61238233.

33283216 = T₄₇₀₉ + T₄₇₁₀ + T₄₇₁₁.

It can be written as a sum of positive squares in only one way, i.e., 22127616 + 11155600 = 4704^2 + 3340^2 .

It is a super-2 number, since 2×33283216² = 2215544934605312, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1040085 + ... + 1040116.

Almost surely, 2^33283216 is an apocalyptic number.

33283216 is the 4711-st centered triangular number.

It is an amenable number.

33283216 is a deficient number, since it is larger than the sum of its proper divisors (31203046).

33283216 is a wasteful number, since it uses less digits than its factorization.

33283216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2080209 (or 2080203 counting only the distinct ones).

The product of its digits is 5184, while the sum is 28.

The square root of 33283216 is about 5769.1607708574. The cubic root of 33283216 is about 321.6684214544.

The spelling of 33283216 in words is "thirty-three million, two hundred eighty-three thousand, two hundred sixteen".