4224233412221 has 16 divisors (see below), whose sum is σ = 4341237465600. Its totient is φ = 4108411866240.

The previous prime is 4224233412193. The next prime is 4224233412229. The reversal of 4224233412221 is 1222143324224.

It is not a de Polignac number, because 4224233412221 - 2¹⁸ = 4224233150077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4224233412229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7171001 + ... + 7737681.

It is an arithmetic number, because the mean of its divisors is an integer number (271327341600).

Almost surely, 2^{4224233412221} is an apocalyptic number.

It is an amenable number.

4224233412221 is a deficient number, since it is larger than the sum of its proper divisors (117004053379).

4224233412221 is a wasteful number, since it uses less digits than its factorization.

4224233412221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567724.

The product of its digits is 36864, while the sum is 32.

Adding to 4224233412221 its reverse (1222143324224), we get a palindrome (5446376736445).

The spelling of 4224233412221 in words is "four trillion, two hundred twenty-four billion, two hundred thirty-three million, four hundred twelve thousand, two hundred twenty-one".