233104221 has 108 divisors (see below), whose sum is σ = 436775040. Its totient is φ = 119266560.

The previous prime is 233104219. The next prime is 233104237. The reversal of 233104221 is 122401332.

233104221 is a `hidden beast` number, since 233 + 10 + 422 + 1 = 666.

It is not a de Polignac number, because 233104221 - 2¹ = 233104219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 233104194 and 233104203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233104211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 3950890 + ... + 3950948.

Almost surely, 2^233104221 is an apocalyptic number.

233104221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

233104221 is a deficient number, since it is larger than the sum of its proper divisors (203670819).

233104221 is a wasteful number, since it uses less digits than its factorization.

233104221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 233104221 is about 15267.7510131650. The cubic root of 233104221 is about 615.4366837101.

Adding to 233104221 its reverse (122401332), we get a palindrome (355505553).

The spelling of 233104221 in words is "two hundred thirty-three million, one hundred four thousand, two hundred twenty-one".