2162243132 has 48 divisors (see below), whose sum is σ = 4577717760. Its totient is φ = 873899712.

The previous prime is 2162243129. The next prime is 2162243143. The reversal of 2162243132 is 2313422612.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3953 + ... + 65879.

It is an arithmetic number, because the mean of its divisors is an integer number (95369120).

Almost surely, 2^2162243132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2162243132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2288858880).

2162243132 is an abundant number, since it is smaller than the sum of its proper divisors (2415474628).

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

2162243132 is a wasteful number, since it uses less digits than its factorization.

2162243132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62010 (or 62008 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

The square root of 2162243132 is about 46499.9261504790. The cubic root of 2162243132 is about 1293.1081297105.

Adding to 2162243132 its reverse (2313422612), we get a palindrome (4475665744).

The spelling of 2162243132 in words is "two billion, one hundred sixty-two million, two hundred forty-three thousand, one hundred thirty-two".