2143224243 has 12 divisors (see below), whose sum is σ = 3097680768. Its totient is φ = 1427933520.

The previous prime is 2143224241. The next prime is 2143224253. The reversal of 2143224243 is 3424223412.

2143224243 is a `hidden beast` number, since 214 + 3 + 22 + 424 + 3 = 666.

It is not a de Polignac number, because 2143224243 - 2¹ = 2143224241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2143224241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58003 + ... + 87468.

It is an arithmetic number, because the mean of its divisors is an integer number (258140064).

Almost surely, 2^2143224243 is an apocalyptic number.

2143224243 is a deficient number, since it is larger than the sum of its proper divisors (954456525).

2143224243 is a wasteful number, since it uses less digits than its factorization.

2143224243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147114 (or 147111 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 2143224243 is about 46294.9699535489. The cubic root of 2143224243 is about 1289.3056060908.

Adding to 2143224243 its reverse (3424223412), we get a palindrome (5567447655).

The spelling of 2143224243 in words is "two billion, one hundred forty-three million, two hundred twenty-four thousand, two hundred forty-three".