33240224 has 12 divisors (see below), whose sum is σ = 65441754. Its totient is φ = 16620096.

The previous prime is 33240223. The next prime is 33240227. The reversal of 33240224 is 42204233.

It can be written as a sum of positive squares in only one way, i.e., 32855824 + 384400 = 5732^2 + 620^2 .

It is a super-2 number, since 2×33240224² = 2209824983140352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33240196 and 33240205.

It is not an unprimeable number, because it can be changed into a prime (33240223) by changing a digit.

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 as a sum of consecutive naturals, namely, 519347 + ... + 519410.

Almost surely, 2^33240224 is an apocalyptic number.

It is an amenable number.

33240224 is a deficient number, since it is larger than the sum of its proper divisors (32201530).

33240224 is a wasteful number, since it uses less digits than its factorization.

33240224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038767 (or 1038759 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 33240224 is about 5765.4335483119. The cubic root of 33240224 is about 321.5298618529.

Adding to 33240224 its reverse (42204233), we get a palindrome (75444457).

The spelling of 33240224 in words is "thirty-three million, two hundred forty thousand, two hundred twenty-four".