234100221 has 8 divisors (see below), whose sum is σ = 320569824. Its totient is φ = 151848720.

The previous prime is 234100199. The next prime is 234100247. The reversal of 234100221 is 122001432.

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

It is not a de Polignac number, because 234100221 - 2⁶ = 234100157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 234100221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234100291) 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, 1054395 + ... + 1054616.

It is an arithmetic number, because the mean of its divisors is an integer number (40071228).

Almost surely, 2^234100221 is an apocalyptic number.

It is an amenable number.

234100221 is a deficient number, since it is larger than the sum of its proper divisors (86469603).

234100221 is a wasteful number, since it uses less digits than its factorization.

234100221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2109051.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 234100221 is about 15300.3340159619. The cubic root of 234100221 is about 616.3119774133.

Adding to 234100221 its reverse (122001432), we get a palindrome (356101653).

The spelling of 234100221 in words is "two hundred thirty-four million, one hundred thousand, two hundred twenty-one".