33243204 has 12 divisors (see below), whose sum is σ = 77567504. Its totient is φ = 11081064.

The previous prime is 33243181. The next prime is 33243209. The reversal of 33243204 is 40234233.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×33243204² = 2210221224371232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33243209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1385122 + ... + 1385145.

Almost surely, 2^33243204 is an apocalyptic number.

It is an amenable number.

33243204 is an abundant number, since it is smaller than the sum of its proper divisors (44324300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33243204 is a wasteful number, since it uses less digits than its factorization.

33243204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2770274 (or 2770272 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 33243204 is about 5765.6919792857. The cubic root of 33243204 is about 321.5394699946.

Adding to 33243204 its reverse (40234233), we get a palindrome (73477437).

The spelling of 33243204 in words is "thirty-three million, two hundred forty-three thousand, two hundred four".