2143440422 has 8 divisors (see below), whose sum is σ = 3215449872. Its totient is φ = 1071623800.

The previous prime is 2143440421. The next prime is 2143440457. The reversal of 2143440422 is 2240443412.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2143440391 and 2143440400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143440421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16154 + ... + 67437.

It is an arithmetic number, because the mean of its divisors is an integer number (401931234).

Almost surely, 2^2143440422 is an apocalyptic number.

2143440422 is a deficient number, since it is larger than the sum of its proper divisors (1072009450).

2143440422 is a wasteful number, since it uses less digits than its factorization.

2143440422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96414.

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 2143440422 is about 46297.3046947660. The cubic root of 2143440422 is about 1289.3489537754.

Adding to 2143440422 its reverse (2240443412), we get a palindrome (4383883834).

The spelling of 2143440422 in words is "two billion, one hundred forty-three million, four hundred forty thousand, four hundred twenty-two".