2143434322 has 32 divisors (see below), whose sum is σ = 3318614064. Its totient is φ = 1037952000.

The previous prime is 2143434281. The next prime is 2143434361. The reversal of 2143434322 is 2234343412.

It can be written as a sum of positive squares in 8 ways, for example, as 1913275081 + 230159241 = 43741^2 + 15171^2 .

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 15 ways as a sum of consecutive naturals, for example, 2019672 + ... + 2020732.

Almost surely, 2^2143434322 is an apocalyptic number.

2143434322 is a deficient number, since it is larger than the sum of its proper divisors (1175179742).

2143434322 is a wasteful number, since it uses less digits than its factorization.

2143434322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374.

The product of its digits is 13824, while the sum is 28.

The square root of 2143434322 is about 46297.2388161540. The cubic root of 2143434322 is about 1289.3477306583.

Adding to 2143434322 its reverse (2234343412), we get a palindrome (4377777734).

The spelling of 2143434322 in words is "two billion, one hundred forty-three million, four hundred thirty-four thousand, three hundred twenty-two".