33204212 has 6 divisors (see below), whose sum is σ = 58107378. Its totient is φ = 16602104.

The previous prime is 33204187. The next prime is 33204251. The reversal of 33204212 is 21240233.

It can be written as a sum of positive squares in only one way, i.e., 30758116 + 2446096 = 5546^2 + 1564^2 .

It is a super-2 number, since 2×33204212² = 2205039389081888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 4150523 + ... + 4150530.

It is an arithmetic number, because the mean of its divisors is an integer number (9684563).

Almost surely, 2^33204212 is an apocalyptic number.

It is an amenable number.

33204212 is a deficient number, since it is larger than the sum of its proper divisors (24903166).

33204212 is a wasteful number, since it uses less digits than its factorization.

33204212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8301057 (or 8301055 counting only the distinct ones).

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

The square root of 33204212 is about 5762.3096063992. The cubic root of 33204212 is about 321.4137062238.

Adding to 33204212 its reverse (21240233), we get a palindrome (54444445).

The spelling of 33204212 in words is "thirty-three million, two hundred four thousand, two hundred twelve".