33424212 has 12 divisors (see below), whose sum is σ = 77989856. Its totient is φ = 11141400.

The previous prime is 33424207. The next prime is 33424213. The reversal of 33424212 is 21242433.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×33424212² = 2234355895641888, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33424213) 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 in 3 ways as a sum of consecutive naturals, for example, 1392664 + ... + 1392687.

Almost surely, 2^33424212 is an apocalyptic number.

It is an amenable number.

33424212 is an abundant number, since it is smaller than the sum of its proper divisors (44565644).

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

33424212 is a wasteful number, since it uses less digits than its factorization.

33424212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2785358 (or 2785356 counting only the distinct ones).

The product of its digits is 1152, while the sum is 21.

The square root of 33424212 is about 5781.3676582622. The cubic root of 33424212 is about 322.1220040999.

Adding to 33424212 its reverse (21242433), we get a palindrome (54666645).

It can be divided in two parts, 334 and 24212, that multiplied together give a palindrome (8086808).

The spelling of 33424212 in words is "thirty-three million, four hundred twenty-four thousand, two hundred twelve".