33424012 has 6 divisors (see below), whose sum is σ = 58492028. Its totient is φ = 16712004.

The previous prime is 33423967. The next prime is 33424019. The reversal of 33424012 is 21042433.

It is a super-2 number, since 2×33424012² = 2234329156352288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33424019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4177998 + ... + 4178005.

Almost surely, 2^33424012 is an apocalyptic number.

It is an amenable number.

33424012 is a deficient number, since it is larger than the sum of its proper divisors (25068016).

33424012 is a wasteful number, since it uses less digits than its factorization.

33424012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8356007 (or 8356005 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 33424012 is about 5781.3503612910. The cubic root of 33424012 is about 322.1213616062.

Adding to 33424012 its reverse (21042433), we get a palindrome (54466445).

The spelling of 33424012 in words is "thirty-three million, four hundred twenty-four thousand, twelve".