4533613221 has 8 divisors (see below), whose sum is σ = 6045129280. Its totient is φ = 3022252992.

The previous prime is 4533613187. The next prime is 4533613229. The reversal of 4533613221 is 1223163354.

4533613221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 4533613221 - 2⁹ = 4533612709 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 (4533613229) 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, 88560 + ... + 130038.

It is an arithmetic number, because the mean of its divisors is an integer number (755641160).

Almost surely, 2^4533613221 is an apocalyptic number.

It is an amenable number.

4533613221 is a deficient number, since it is larger than the sum of its proper divisors (1511516059).

4533613221 is a wasteful number, since it uses less digits than its factorization.

4533613221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77915.

The product of its digits is 12960, while the sum is 30.

The square root of 4533613221 is about 67332.1113659746. Note that the first 3 decimals coincide. The cubic root of 4533613221 is about 1655.0641135186.

Adding to 4533613221 its reverse (1223163354), we get a palindrome (5756776575).

The spelling of 4533613221 in words is "four billion, five hundred thirty-three million, six hundred thirteen thousand, two hundred twenty-one".