4224431221100 has 72 divisors (see below), whose sum is σ = 9279229164240. Its totient is φ = 1669095751680.

The previous prime is 4224431221039. The next prime is 4224431221139. The reversal of 4224431221100 is 11221344224.

It is a self number, because there is not a number n which added to its sum of digits gives 4224431221100.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46177004 + ... + 46268396.

Almost surely, 2^{4224431221100} 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 4224431221100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4639614582120).

4224431221100 is an abundant number, since it is smaller than the sum of its proper divisors (5054797943140).

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

4224431221100 is a wasteful number, since it uses less digits than its factorization.

4224431221100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97059 (or 97052 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 4224431221100 its reverse (11221344224), we get a palindrome (4235652565324).

The spelling of 4224431221100 in words is "four trillion, two hundred twenty-four billion, four hundred thirty-one million, two hundred twenty-one thousand, one hundred".