2231143244 has 24 divisors (see below), whose sum is σ = 4444651008. Its totient is φ = 970061840.

The previous prime is 2231143237. The next prime is 2231143249. The reversal of 2231143244 is 4423411322.

It is a super-3 number, since 3×2231143244³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2231143249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1101332 + ... + 1103355.

It is an arithmetic number, because the mean of its divisors is an integer number (185193792).

Almost surely, 2^2231143244 is an apocalyptic number.

It is an amenable number.

2231143244 is a deficient number, since it is larger than the sum of its proper divisors (2213507764).

2231143244 is a wasteful number, since it uses less digits than its factorization.

2231143244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2204725 (or 2204723 counting only the distinct ones).

The product of its digits is 4608, while the sum is 26.

The square root of 2231143244 is about 47234.9790303754. The cubic root of 2231143244 is about 1306.6997798367.

Adding to 2231143244 its reverse (4423411322), we get a palindrome (6654554566).

The spelling of 2231143244 in words is "two billion, two hundred thirty-one million, one hundred forty-three thousand, two hundred forty-four".