33222012333221 has 8 divisors (see below), whose sum is σ = 33282045440280. Its totient is φ = 33161985004288.

The previous prime is 33222012333199. The next prime is 33222012333329. The reversal of 33222012333221 is 12233321022233.

It can be written as a sum of positive squares in 4 ways, for example, as 1338891981025 + 31883120352196 = 1157105^2 + 5646514^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33222012333221 - 2¹⁴ = 33222012316837 is a prime.

It is a super-2 number, since 2×33222012333221² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33222012333121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10149065 + ... + 13017201.

It is an arithmetic number, because the mean of its divisors is an integer number (4160255680035).

Almost surely, 2^{33222012333221} is an apocalyptic number.

It is an amenable number.

33222012333221 is a deficient number, since it is larger than the sum of its proper divisors (60033107059).

33222012333221 is a wasteful number, since it uses less digits than its factorization.

33222012333221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2889063.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 33222012333221 its reverse (12233321022233), we get a palindrome (45455333355454).

The spelling of 33222012333221 in words is "thirty-three trillion, two hundred twenty-two billion, twelve million, three hundred thirty-three thousand, two hundred twenty-one".