2143232322 has 128 divisors (see below), whose sum is σ = 5634551808. Its totient is φ = 526944000.

The previous prime is 2143232309. The next prime is 2143232323. The reversal of 2143232322 is 2232323412.

It is a junction number, because it is equal to n+sod(n) for n = 2143232292 and 2143232301.

It is not an unprimeable number, because it can be changed into a prime (2143232323) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1072228 + ... + 1074224.

It is an arithmetic number, because the mean of its divisors is an integer number (44019936).

Almost surely, 2^2143232322 is an apocalyptic number.

2143232322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2143232322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2817275904).

2143232322 is an abundant number, since it is smaller than the sum of its proper divisors (3491319486).

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

2143232322 is a wasteful number, since it uses less digits than its factorization.

2143232322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2144.

The product of its digits is 3456, while the sum is 24.

The square root of 2143232322 is about 46295.0572091665. The cubic root of 2143232322 is about 1289.3072261245.

Adding to 2143232322 its reverse (2232323412), we get a palindrome (4375555734).

The spelling of 2143232322 in words is "two billion, one hundred forty-three million, two hundred thirty-two thousand, three hundred twenty-two".