2232132321 has 4 divisors (see below), whose sum is σ = 2976176432. Its totient is φ = 1488088212.

The previous prime is 2232132299. The next prime is 2232132323. The reversal of 2232132321 is 1232312322.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2232132321 - 2⁶ = 2232132257 is a prime.

It is a super-3 number, since 3×2232132321³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2232132323) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 372022051 + ... + 372022056.

It is an arithmetic number, because the mean of its divisors is an integer number (744044108).

Almost surely, 2^2232132321 is an apocalyptic number.

It is an amenable number.

2232132321 is a deficient number, since it is larger than the sum of its proper divisors (744044111).

2232132321 is an equidigital number, since it uses as much as digits as its factorization.

2232132321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744044110.

The product of its digits is 864, while the sum is 21.

The square root of 2232132321 is about 47245.4476219667. The cubic root of 2232132321 is about 1306.8928401686.

Adding to 2232132321 its reverse (1232312322), we get a palindrome (3464444643).

The spelling of 2232132321 in words is "two billion, two hundred thirty-two million, one hundred thirty-two thousand, three hundred twenty-one".