2143222422 has 24 divisors (see below), whose sum is σ = 4711548408. Its totient is φ = 649461120.

The previous prime is 2143222421. The next prime is 2143222441. The reversal of 2143222422 is 2242223412.

It is a junction number, because it is equal to n+sod(n) for n = 2143222392 and 2143222401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143222421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1475323 + ... + 1476774.

It is an arithmetic number, because the mean of its divisors is an integer number (196314517).

Almost surely, 2^2143222422 is an apocalyptic number.

2143222422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2143222422 is an abundant number, since it is smaller than the sum of its proper divisors (2568325986).

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

2143222422 is a wasteful number, since it uses less digits than its factorization.

2143222422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2952124 (or 2952113 counting only the distinct ones).

The product of its digits is 3072, while the sum is 24.

The square root of 2143222422 is about 46294.9502861813. The cubic root of 2143222422 is about 1289.3052409359.

Adding to 2143222422 its reverse (2242223412), we get a palindrome (4385445834).

The spelling of 2143222422 in words is "two billion, one hundred forty-three million, two hundred twenty-two thousand, four hundred twenty-two".