4224450221012 has 144 divisors (see below), whose sum is σ = 8848954681728. Its totient is φ = 1728057196800.

The previous prime is 4224450221011. The next prime is 4224450221141. The reversal of 4224450221012 is 2101220544224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4224450221011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 418547438 + ... + 418557530.

Almost surely, 2^{4224450221012} 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 4224450221012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4424477340864).

4224450221012 is an abundant number, since it is smaller than the sum of its proper divisors (4624504460716).

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

4224450221012 is a wasteful number, since it uses less digits than its factorization.

4224450221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10366 (or 10317 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 29.

Adding to 4224450221012 its reverse (2101220544224), we get a palindrome (6325670765236).

The spelling of 4224450221012 in words is "four trillion, two hundred twenty-four billion, four hundred fifty million, two hundred twenty-one thousand, twelve".