4224431221044 has 24 divisors (see below), whose sum is σ = 9857068495680. Its totient is φ = 1408134838464.

The previous prime is 4224431221039. The next prime is 4224431221139. The reversal of 4224431221044 is 4401221344224.

It is a junction number, because it is equal to n+sod(n) for n = 4224431220996 and 4224431221014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1029552 + ... + 3083640.

It is an arithmetic number, because the mean of its divisors is an integer number (410711187320).

Almost surely, 2^{4224431221044} is an apocalyptic number.

It is an amenable number.

4224431221044 is an abundant number, since it is smaller than the sum of its proper divisors (5632637274636).

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

4224431221044 is a wasteful number, since it uses less digits than its factorization.

4224431221044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2225479 (or 2225477 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 33.

Adding to 4224431221044 its reverse (4401221344224), we get a palindrome (8625652565268).

The spelling of 4224431221044 in words is "four trillion, two hundred twenty-four billion, four hundred thirty-one million, two hundred twenty-one thousand, forty-four".