233222231321 has 4 divisors (see below), whose sum is σ = 233239377252. Its totient is φ = 233205085392.

The previous prime is 233222231293. The next prime is 233222231323. The reversal of 233222231321 is 123132222332.

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 81188524096 + 152033707225 = 284936^2 + 389915^2 .

It is a cyclic number.

It is not a de Polignac number, because 233222231321 - 2¹⁴ = 233222214937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (233222231323) 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 3 ways as a sum of consecutive naturals, for example, 8552546 + ... + 8579771.

It is an arithmetic number, because the mean of its divisors is an integer number (58309844313).

Almost surely, 2^233222231321 is an apocalyptic number.

It is an amenable number.

233222231321 is a deficient number, since it is larger than the sum of its proper divisors (17145931).

233222231321 is a wasteful number, since it uses less digits than its factorization.

233222231321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17145930.

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

Adding to 233222231321 its reverse (123132222332), we get a palindrome (356354453653).

The spelling of 233222231321 in words is "two hundred thirty-three billion, two hundred twenty-two million, two hundred thirty-one thousand, three hundred twenty-one".