224243143 has 2 divisors, whose sum is σ = 224243144. Its totient is φ = 224243142.

The previous prime is 224243113. The next prime is 224243147. The reversal of 224243143 is 341342422.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 224243143 - 2²¹ = 222145991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224243147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112121571 + 112121572.

It is an arithmetic number, because the mean of its divisors is an integer number (112121572).

Almost surely, 2^224243143 is an apocalyptic number.

224243143 is a deficient number, since it is larger than the sum of its proper divisors (1).

224243143 is an equidigital number, since it uses as much as digits as its factorization.

224243143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 25.

The square root of 224243143 is about 14974.7501815556. The cubic root of 224243143 is about 607.5374546051.

Adding to 224243143 its reverse (341342422), we get a palindrome (565585565).

The spelling of 224243143 in words is "two hundred twenty-four million, two hundred forty-three thousand, one hundred forty-three".