234112221 has 32 divisors (see below), whose sum is σ = 397497600. Its totient is φ = 133401600.

The previous prime is 234112213. The next prime is 234112231. The reversal of 234112221 is 122211432.

It is a happy number.

It is not a de Polignac number, because 234112221 - 2³ = 234112213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 234112194 and 234112203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234112231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74245 + ... + 77333.

It is an arithmetic number, because the mean of its divisors is an integer number (12421800).

Almost surely, 2^234112221 is an apocalyptic number.

234112221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

234112221 is a deficient number, since it is larger than the sum of its proper divisors (163385379).

234112221 is a wasteful number, since it uses less digits than its factorization.

234112221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3506 (or 3500 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 234112221 is about 15300.7261592383. The cubic root of 234112221 is about 616.3225079705.

Adding to 234112221 its reverse (122211432), we get a palindrome (356323653).

The spelling of 234112221 in words is "two hundred thirty-four million, one hundred twelve thousand, two hundred twenty-one".