224220143 has 8 divisors (see below), whose sum is σ = 257178912. Its totient is φ = 191493216.

The previous prime is 224220133. The next prime is 224220149. The reversal of 224220143 is 341022422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 224220143 - 2¹⁸ = 223957999 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 (224220149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55880 + ... + 59757.

It is an arithmetic number, because the mean of its divisors is an integer number (32147364).

Almost surely, 2^224220143 is an apocalyptic number.

224220143 is a deficient number, since it is larger than the sum of its proper divisors (32958769).

224220143 is a wasteful number, since it uses less digits than its factorization.

224220143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115921.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 224220143 is about 14973.9822024737. The cubic root of 224220143 is about 607.5166827485.

Adding to 224220143 its reverse (341022422), we get a palindrome (565242565).

The spelling of 224220143 in words is "two hundred twenty-four million, two hundred twenty thousand, one hundred forty-three".