2143442224 has 40 divisors (see below), whose sum is σ = 5177668608. Its totient is φ = 835106880.

The previous prime is 2143442219. The next prime is 2143442233. The reversal of 2143442224 is 4222443412.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 2143442192 and 2143442201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 868672 + ... + 871135.

Almost surely, 2^2143442224 is an apocalyptic number.

It is an amenable number.

2143442224 is an abundant number, since it is smaller than the sum of its proper divisors (3034226384).

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

2143442224 is a wasteful number, since it uses less digits than its factorization.

2143442224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1739833 (or 1739827 counting only the distinct ones).

The product of its digits is 12288, while the sum is 28.

The square root of 2143442224 is about 46297.3241559380. The cubic root of 2143442224 is about 1289.3493150958.

Adding to 2143442224 its reverse (4222443412), we get a palindrome (6365885636).

The spelling of 2143442224 in words is "two billion, one hundred forty-three million, four hundred forty-two thousand, two hundred twenty-four".