30233330221 has 16 divisors (see below), whose sum is σ = 31191160000. Its totient is φ = 29283171840.

The previous prime is 30233330207. The next prime is 30233330273. The reversal of 30233330221 is 12203333203.

It is a cyclic number.

It is not a de Polignac number, because 30233330221 - 2⁵ = 30233330189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30233330192 and 30233330201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30233330201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14186326 + ... + 14188456.

It is an arithmetic number, because the mean of its divisors is an integer number (1949447500).

Almost surely, 2^30233330221 is an apocalyptic number.

It is an amenable number.

30233330221 is a deficient number, since it is larger than the sum of its proper divisors (957829779).

30233330221 is a wasteful number, since it uses less digits than its factorization.

30233330221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3724.

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 30233330221 its reverse (12203333203), we get a palindrome (42436663424).

The spelling of 30233330221 in words is "thirty billion, two hundred thirty-three million, three hundred thirty thousand, two hundred twenty-one".