234203221 has 8 divisors (see below), whose sum is σ = 267753600. Its totient is φ = 200676048.

The previous prime is 234203219. The next prime is 234203243. The reversal of 234203221 is 122302432.

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 234203221 - 2¹ = 234203219 is a prime.

It is a super-2 number, since 2×234203221² = 109702297453549682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234203201) 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, 34695 + ... + 40891.

It is an arithmetic number, because the mean of its divisors is an integer number (33469200).

Almost surely, 2^234203221 is an apocalyptic number.

It is an amenable number.

234203221 is a deficient number, since it is larger than the sum of its proper divisors (33550379).

234203221 is an equidigital number, since it uses as much as digits as its factorization.

234203221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11603.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 234203221 is about 15303.6995853944. The cubic root of 234203221 is about 616.4023529878.

Adding to 234203221 its reverse (122302432), we get a palindrome (356505653).

The spelling of 234203221 in words is "two hundred thirty-four million, two hundred three thousand, two hundred twenty-one".