2143442022 has 16 divisors (see below), whose sum is σ = 4512509760. Its totient is φ = 676876392.

The previous prime is 2143441999. The next prime is 2143442039. The reversal of 2143442022 is 2202443412.

It is a junction number, because it is equal to n+sod(n) for n = 2143441983 and 2143442001.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9400948 + ... + 9401175.

It is an arithmetic number, because the mean of its divisors is an integer number (282031860).

Almost surely, 2^2143442022 is an apocalyptic number.

2143442022 is an abundant number, since it is smaller than the sum of its proper divisors (2369067738).

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

2143442022 is a wasteful number, since it uses less digits than its factorization.

2143442022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18802147.

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

The square root of 2143442022 is about 46297.3219743864. The cubic root of 2143442022 is about 1289.3492745927.

Adding to 2143442022 its reverse (2202443412), we get a palindrome (4345885434).

The spelling of 2143442022 in words is "two billion, one hundred forty-three million, four hundred forty-two thousand, twenty-two".