2132232221 has 16 divisors (see below), whose sum is σ = 2574512640. Its totient is φ = 1727053440.

The previous prime is 2132232161. The next prime is 2132232233. The reversal of 2132232221 is 1222322312.

It is a happy number.

It is not a de Polignac number, because 2132232221 - 2¹⁰ = 2132231197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2132232193 and 2132232202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2132232251) by changing a digit.

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, 102200 + ... + 121281.

It is an arithmetic number, because the mean of its divisors is an integer number (160907040).

Almost surely, 2^2132232221 is an apocalyptic number.

It is an amenable number.

2132232221 is a deficient number, since it is larger than the sum of its proper divisors (442280419).

2132232221 is a wasteful number, since it uses less digits than its factorization.

2132232221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223564.

The product of its digits is 576, while the sum is 20.

The square root of 2132232221 is about 46176.1001060072. The cubic root of 2132232221 is about 1287.0976596349.

Adding to 2132232221 its reverse (1222322312), we get a palindrome (3354554533).

Subtracting from 2132232221 its reverse (1222322312), we obtain a palindrome (909909909).

The spelling of 2132232221 in words is "two billion, one hundred thirty-two million, two hundred thirty-two thousand, two hundred twenty-one".