33224444222420 has 96 divisors (see below), whose sum is σ = 76347552758400. Its totient is φ = 12044586908160.

The previous prime is 33224444222401. The next prime is 33224444222449. The reversal of 33224444222420 is 2422244442233.

It is a super-2 number, since 2×33224444222420² (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, 408659294 + ... + 408740586.

It is an arithmetic number, because the mean of its divisors is an integer number (795287007900).

Almost surely, 2^{33224444222420} 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 33224444222420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38173776379200).

33224444222420 is an abundant number, since it is smaller than the sum of its proper divisors (43123108535980).

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

33224444222420 is a wasteful number, since it uses less digits than its factorization.

33224444222420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86985 (or 86983 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 38.

Adding to 33224444222420 its reverse (2422244442233), we get a palindrome (35646688664653).

The spelling of 33224444222420 in words is "thirty-three trillion, two hundred twenty-four billion, four hundred forty-four million, two hundred twenty-two thousand, four hundred twenty".