224143432321 has 24 divisors (see below), whose sum is σ = 233924576672. Its totient is φ = 214682529600.

The previous prime is 224143432301. The next prime is 224143432333. The reversal of 224143432321 is 123234341422.

It is not a de Polignac number, because 224143432321 - 2²⁷ = 224009214593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224143432301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24650986 + ... + 24660076.

Almost surely, 2^224143432321 is an apocalyptic number.

It is an amenable number.

224143432321 is a deficient number, since it is larger than the sum of its proper divisors (9781144351).

224143432321 is an frugal number, since it uses more digits than its factorization.

224143432321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9373 (or 9302 counting only the distinct ones).

The product of its digits is 27648, while the sum is 31.

Adding to 224143432321 its reverse (123234341422), we get a palindrome (347377773743).

The spelling of 224143432321 in words is "two hundred twenty-four billion, one hundred forty-three million, four hundred thirty-two thousand, three hundred twenty-one".