33224120 has 32 divisors (see below), whose sum is σ = 79153200. Its totient is φ = 12507648.

The previous prime is 33224083. The next prime is 33224123. The reversal of 33224120 is 2142233.

It is a super-2 number, since 2×33224120² = 2207684299548800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33224123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23750 + ... + 25109.

Almost surely, 2^33224120 is an apocalyptic number.

It is an amenable number.

33224120 is an abundant number, since it is smaller than the sum of its proper divisors (45929080).

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

33224120 is a wasteful number, since it uses less digits than its factorization.

33224120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48887 (or 48883 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 33224120 is about 5764.0367798965. The cubic root of 33224120 is about 321.4779292575.

Adding to 33224120 its reverse (2142233), we get a palindrome (35366353).

The spelling of 33224120 in words is "thirty-three million, two hundred twenty-four thousand, one hundred twenty".