234332412221 has 8 divisors (see below), whose sum is σ = 235225841400. Its totient is φ = 233439148800.

The previous prime is 234332412211. The next prime is 234332412233. The reversal of 234332412221 is 122214233432.

It can be written as a sum of positive squares in 4 ways, for example, as 81252196 + 234251160025 = 9014^2 + 483995^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 234332412221 - 2²² = 234328217917 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 (234332412211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3302921 + ... + 3373121.

It is an arithmetic number, because the mean of its divisors is an integer number (29403230175).

Almost surely, 2^234332412221 is an apocalyptic number.

It is an amenable number.

234332412221 is a deficient number, since it is larger than the sum of its proper divisors (893429179).

234332412221 is a wasteful number, since it uses less digits than its factorization.

234332412221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82879.

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

Adding to 234332412221 its reverse (122214233432), we get a palindrome (356546645653).

The spelling of 234332412221 in words is "two hundred thirty-four billion, three hundred thirty-two million, four hundred twelve thousand, two hundred twenty-one".