4232054221 has 4 divisors (see below), whose sum is σ = 4241234844. Its totient is φ = 4222873600.

The previous prime is 4232054213. The next prime is 4232054327. The reversal of 4232054221 is 1224502324.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2451636196 + 1780418025 = 49514^2 + 42195^2 .

It is a cyclic number.

It is not a de Polignac number, because 4232054221 - 2³ = 4232054213 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 (4232054521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4589620 + ... + 4590541.

It is an arithmetic number, because the mean of its divisors is an integer number (1060308711).

Almost surely, 2^4232054221 is an apocalyptic number.

It is an amenable number.

4232054221 is a deficient number, since it is larger than the sum of its proper divisors (9180623).

4232054221 is an equidigital number, since it uses as much as digits as its factorization.

4232054221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9180622.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 4232054221 is about 65054.2406073578. The cubic root of 4232054221 is about 1617.5227877381.

Adding to 4232054221 its reverse (1224502324), we get a palindrome (5456556545).

The spelling of 4232054221 in words is "four billion, two hundred thirty-two million, fifty-four thousand, two hundred twenty-one".