33221113233204 has 96 divisors (see below), whose sum is σ = 83978461840000. Its totient is φ = 10221173733888.

The previous prime is 33221113233173. The next prime is 33221113233211. The reversal of 33221113233204 is 40233231112233.

It is a super-2 number, since 2×33221113233204² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 482136747 + ... + 482205645.

Almost surely, 2^{33221113233204} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33221113233204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41989230920000).

33221113233204 is an abundant number, since it is smaller than the sum of its proper divisors (50757348606796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33221113233204 is a wasteful number, since it uses less digits than its factorization.

33221113233204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87234 (or 87206 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 33221113233204 its reverse (40233231112233), we get a palindrome (73454344345437).

The spelling of 33221113233204 in words is "thirty-three trillion, two hundred twenty-one billion, one hundred thirteen million, two hundred thirty-three thousand, two hundred four".