33216112 has 10 divisors (see below), whose sum is σ = 64356248. Its totient is φ = 16608048.

The previous prime is 33216091. The next prime is 33216119. The reversal of 33216112 is 21161233.

It is a super-2 number, since 2×33216112² = 2206620192793088, 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 33216112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33216119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1037988 + ... + 1038019.

Almost surely, 2^33216112 is an apocalyptic number.

It is an amenable number.

33216112 is a deficient number, since it is larger than the sum of its proper divisors (31140136).

33216112 is a wasteful number, since it uses less digits than its factorization.

33216112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2076015 (or 2076009 counting only the distinct ones).

The product of its digits is 216, while the sum is 19.

The square root of 33216112 is about 5763.3420859775. The cubic root of 33216112 is about 321.4520986047.

Adding to 33216112 its reverse (21161233), we get a palindrome (54377345).

The spelling of 33216112 in words is "thirty-three million, two hundred sixteen thousand, one hundred twelve".