4232133221 has 8 divisors (see below), whose sum is σ = 4482379800. Its totient is φ = 3982030848.

The previous prime is 4232133211. The next prime is 4232133277. The reversal of 4232133221 is 1223312324.

4232133221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5313025 + 4226820196 = 2305^2 + 65014^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4232133221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4232133211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27605 + ... + 96053.

It is an arithmetic number, because the mean of its divisors is an integer number (560297475).

Almost surely, 2^4232133221 is an apocalyptic number.

It is an amenable number.

4232133221 is a deficient number, since it is larger than the sum of its proper divisors (250246579).

4232133221 is a wasteful number, since it uses less digits than its factorization.

4232133221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72103.

The product of its digits is 1728, while the sum is 23.

The square root of 4232133221 is about 65054.8477901532. The cubic root of 4232133221 is about 1617.5328524725.

Adding to 4232133221 its reverse (1223312324), we get a palindrome (5455445545).

The spelling of 4232133221 in words is "four billion, two hundred thirty-two million, one hundred thirty-three thousand, two hundred twenty-one".