33212201 has 12 divisors (see below), whose sum is σ = 36956976. Its totient is φ = 29820120.

The previous prime is 33212189. The next prime is 33212261. The reversal of 33212201 is 10221233.

It is a happy number.

It is not a de Polignac number, because 33212201 - 2¹⁴ = 33195817 is a prime.

It is a super-2 number, since 2×33212201² = 2206100590528802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33212261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8390 + ... + 11696.

It is an arithmetic number, because the mean of its divisors is an integer number (3079748).

Almost surely, 2^33212201 is an apocalyptic number.

It is an amenable number.

33212201 is a deficient number, since it is larger than the sum of its proper divisors (3744775).

33212201 is a wasteful number, since it uses less digits than its factorization.

33212201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3412 (or 3401 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 33212201 is about 5763.0027763311. The cubic root of 33212201 is about 321.4394817508.

Adding to 33212201 its reverse (10221233), we get a palindrome (43433434).

The spelling of 33212201 in words is "thirty-three million, two hundred twelve thousand, two hundred one".