33313302221 has 8 divisors (see below), whose sum is σ = 35697884544. Its totient is φ = 30975939520.

The previous prime is 33313302199. The next prime is 33313302223. The reversal of 33313302221 is 12220331333.

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 33313302221 - 2³⁴ = 16133433037 is a prime.

It is a super-2 number, since 2×33313302221² (a number of 22 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 (33313302223) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 11803445 + ... + 11806266.

It is an arithmetic number, because the mean of its divisors is an integer number (4462235568).

Almost surely, 2^33313302221 is an apocalyptic number.

It is an amenable number.

33313302221 is a deficient number, since it is larger than the sum of its proper divisors (2384582323).

33313302221 is a wasteful number, since it uses less digits than its factorization.

33313302221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23609811.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 33313302221 its reverse (12220331333), we get a palindrome (45533633554).

The spelling of 33313302221 in words is "thirty-three billion, three hundred thirteen million, three hundred two thousand, two hundred twenty-one".