33122320221 has 8 divisors (see below), whose sum is σ = 44163971200. Its totient is φ = 22081108032.

The previous prime is 33122320219. The next prime is 33122320241. The reversal of 33122320221 is 12202322133.

It is a happy number.

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

It is not a de Polignac number, because 33122320221 - 2¹ = 33122320219 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33122320201) 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, 163980 + ... + 305178.

It is an arithmetic number, because the mean of its divisors is an integer number (5520496400).

Almost surely, 2^33122320221 is an apocalyptic number.

It is an amenable number.

33122320221 is a deficient number, since it is larger than the sum of its proper divisors (11041650979).

33122320221 is a wasteful number, since it uses less digits than its factorization.

33122320221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219395.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 33122320221 its reverse (12202322133), we get a palindrome (45324642354).

The spelling of 33122320221 in words is "thirty-three billion, one hundred twenty-two million, three hundred twenty thousand, two hundred twenty-one".