224003143 has 16 divisors (see below), whose sum is σ = 283151680. Its totient is φ = 172440576.

The previous prime is 224003137. The next prime is 224003147. The reversal of 224003143 is 341300422.

It is not a de Polignac number, because 224003143 - 2⁵ = 224003111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 224003143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224003147) 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, 29898 + ... + 36631.

It is an arithmetic number, because the mean of its divisors is an integer number (17696980).

Almost surely, 2^224003143 is an apocalyptic number.

224003143 is a deficient number, since it is larger than the sum of its proper divisors (59148537).

224003143 is a wasteful number, since it uses less digits than its factorization.

224003143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66586.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 224003143 is about 14966.7345469879. The cubic root of 224003143 is about 607.3206348378.

Adding to 224003143 its reverse (341300422), we get a palindrome (565303565).

The spelling of 224003143 in words is "two hundred twenty-four million, three thousand, one hundred forty-three".