2143223244 has 18 divisors (see below), whose sum is σ = 5417592180. Its totient is φ = 714407736.

The previous prime is 2143223233. The next prime is 2143223263. The reversal of 2143223244 is 4423223412.

2143223244 is a `hidden beast` number, since 2 + 14 + 322 + 324 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

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 5 ways as a sum of consecutive naturals, for example, 29766954 + ... + 29767025.

Almost surely, 2^2143223244 is an apocalyptic number.

It is an amenable number.

2143223244 is an abundant number, since it is smaller than the sum of its proper divisors (3274368936).

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

2143223244 is a wasteful number, since it uses less digits than its factorization.

2143223244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59533989 (or 59533984 counting only the distinct ones).

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

The square root of 2143223244 is about 46294.9591640386. The cubic root of 2143223244 is about 1289.3054057670.

Adding to 2143223244 its reverse (4423223412), we get a palindrome (6566446656).

The spelling of 2143223244 in words is "two billion, one hundred forty-three million, two hundred twenty-three thousand, two hundred forty-four".