2143442244 has 12 divisors (see below), whose sum is σ = 5001365264. Its totient is φ = 714480744.

The previous prime is 2143442237. The next prime is 2143442261. The reversal of 2143442244 is 4422443412.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89310082 + ... + 89310105.

Almost surely, 2^2143442244 is an apocalyptic number.

It is an amenable number.

2143442244 is an abundant number, since it is smaller than the sum of its proper divisors (2857923020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2143442244 is a wasteful number, since it uses less digits than its factorization.

2143442244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178620194 (or 178620192 counting only the distinct ones).

The product of its digits is 24576, while the sum is 30.

The square root of 2143442244 is about 46297.3243719332. The cubic root of 2143442244 is about 1289.3493191060.

Adding to 2143442244 its reverse (4422443412), we get a palindrome (6565885656).

The spelling of 2143442244 in words is "two billion, one hundred forty-three million, four hundred forty-two thousand, two hundred forty-four".