33133224 has 16 divisors (see below), whose sum is σ = 82833120. Its totient is φ = 11044400.

The previous prime is 33133193. The next prime is 33133231. The reversal of 33133224 is 42233133.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 33133224.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 690252 + ... + 690299.

It is an arithmetic number, because the mean of its divisors is an integer number (5177070).

Almost surely, 2^33133224 is an apocalyptic number.

It is an amenable number.

33133224 is an abundant number, since it is smaller than the sum of its proper divisors (49699896).

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

33133224 is a wasteful number, since it uses less digits than its factorization.

33133224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380560 (or 1380556 counting only the distinct ones).

The product of its digits is 1296, while the sum is 21.

The square root of 33133224 is about 5756.1466277363. The cubic root of 33133224 is about 321.1844903691.

Adding to 33133224 its reverse (42233133), we get a palindrome (75366357).

Subtracting 33133224 from its reverse (42233133), we obtain a palindrome (9099909).

The spelling of 33133224 in words is "thirty-three million, one hundred thirty-three thousand, two hundred twenty-four".