233214423221 has 4 divisors (see below), whose sum is σ = 251153994252. Its totient is φ = 215274852192.

The previous prime is 233214423217. The next prime is 233214423283. The reversal of 233214423221 is 122324412332.

233214423221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 139547820721 + 93666602500 = 373561^2 + 306050^2 .

It is a cyclic number.

It is not a de Polignac number, because 233214423221 - 2² = 233214423217 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 (233214423521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8969785496 + ... + 8969785521.

It is an arithmetic number, because the mean of its divisors is an integer number (62788498563).

Almost surely, 2^233214423221 is an apocalyptic number.

It is an amenable number.

233214423221 is a deficient number, since it is larger than the sum of its proper divisors (17939571031).

233214423221 is a wasteful number, since it uses less digits than its factorization.

233214423221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17939571030.

The product of its digits is 13824, while the sum is 29.

Adding to 233214423221 its reverse (122324412332), we get a palindrome (355538835553).

The spelling of 233214423221 in words is "two hundred thirty-three billion, two hundred fourteen million, four hundred twenty-three thousand, two hundred twenty-one".