233122233221 has 4 divisors (see below), whose sum is σ = 233126955744. Its totient is φ = 233117510700.

The previous prime is 233122233203. The next prime is 233122233241. The reversal of 233122233221 is 122332221332.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 233122233221 - 2³⁰ = 232048491397 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 (233122233241) 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, 2286425 + ... + 2386206.

It is an arithmetic number, because the mean of its divisors is an integer number (58281738936).

Almost surely, 2^233122233221 is an apocalyptic number.

It is an amenable number.

233122233221 is a deficient number, since it is larger than the sum of its proper divisors (4722523).

233122233221 is an equidigital number, since it uses as much as digits as its factorization.

233122233221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4722522.

The product of its digits is 5184, while the sum is 26.

Adding to 233122233221 its reverse (122332221332), we get a palindrome (355454454553).

The spelling of 233122233221 in words is "two hundred thirty-three billion, one hundred twenty-two million, two hundred thirty-three thousand, two hundred twenty-one".