1232332221 has 8 divisors (see below), whose sum is σ = 1643344864. Its totient is φ = 821437200.

The previous prime is 1232332201. The next prime is 1232332253. The reversal of 1232332221 is 1222332321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1232332221 - 2¹⁴ = 1232315837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232332201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1051 + ... + 49656.

It is an arithmetic number, because the mean of its divisors is an integer number (205418108).

Almost surely, 2^1232332221 is an apocalyptic number.

It is an amenable number.

1232332221 is a deficient number, since it is larger than the sum of its proper divisors (411012643).

1232332221 is an equidigital number, since it uses as much as digits as its factorization.

1232332221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58811.

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

The square root of 1232332221 is about 35104.5897426533. The cubic root of 1232332221 is about 1072.1180339537.

Adding to 1232332221 its reverse (1222332321), we get a palindrome (2454664542).

It can be divided in two parts, 12323 and 32221, that added together give a palindrome (44544).

The spelling of 1232332221 in words is "one billion, two hundred thirty-two million, three hundred thirty-two thousand, two hundred twenty-one".