33222012201 has 18 divisors (see below), whose sum is σ = 55822021242. Its totient is φ = 18984006720.

The previous prime is 33222012163. The next prime is 33222012217. The reversal of 33222012201 is 10221022233.

It can be written as a sum of positive squares in only one way, i.e., 32730237225 + 491774976 = 180915^2 + 22176^2 .

It is not a de Polignac number, because 33222012201 - 2⁶ = 33222012137 is a prime.

It is a super-2 number, since 2×33222012201² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (33222012701) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 37666240 + ... + 37667121.

Almost surely, 2^33222012201 is an apocalyptic number.

It is an amenable number.

33222012201 is a deficient number, since it is larger than the sum of its proper divisors (22600009041).

33222012201 is a wasteful number, since it uses less digits than its factorization.

33222012201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75333381 (or 75333371 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 33222012201 its reverse (10221022233), we get a palindrome (43443034434).

The spelling of 33222012201 in words is "thirty-three billion, two hundred twenty-two million, twelve thousand, two hundred one".