33313223322221 has 8 divisors (see below), whose sum is σ = 33331368075264. Its totient is φ = 33295079960640.

The previous prime is 33313223322191. The next prime is 33313223322241. The reversal of 33313223322221 is 12222332231333.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33313223322221 is a prime.

It is a super-2 number, since 2×33313223322221² (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 (33313223322241) 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, 49485716 + ... + 50154386.

It is an arithmetic number, because the mean of its divisors is an integer number (4166421009408).

Almost surely, 2^{33313223322221} is an apocalyptic number.

It is an amenable number.

33313223322221 is a deficient number, since it is larger than the sum of its proper divisors (18144753043).

33313223322221 is a wasteful number, since it uses less digits than its factorization.

33313223322221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695731.

The product of its digits is 46656, while the sum is 32.

Adding to 33313223322221 its reverse (12222332231333), we get a palindrome (45535555553554).

The spelling of 33313223322221 in words is "thirty-three trillion, three hundred thirteen billion, two hundred twenty-three million, three hundred twenty-two thousand, two hundred twenty-one".