33224012 has 12 divisors (see below), whose sum is σ = 58219560. Its totient is φ = 16589856.

The previous prime is 33223999. The next prime is 33224017. The reversal of 33224012 is 21042233.

It is a super-2 number, since 2×33224012² = 2207669946752288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33224017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1898 + ... + 8369.

It is an arithmetic number, because the mean of its divisors is an integer number (4851630).

Almost surely, 2^33224012 is an apocalyptic number.

It is an amenable number.

33224012 is a deficient number, since it is larger than the sum of its proper divisors (24995548).

33224012 is a wasteful number, since it uses less digits than its factorization.

33224012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11080 (or 11078 counting only the distinct ones).

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

The square root of 33224012 is about 5764.0274114546. The cubic root of 33224012 is about 321.4775809197.

Adding to 33224012 its reverse (21042233), we get a palindrome (54266245).

The spelling of 33224012 in words is "thirty-three million, two hundred twenty-four thousand, twelve".