234936221 has 16 divisors (see below), whose sum is σ = 267321600. Its totient is φ = 204915648.

The previous prime is 234936217. The next prime is 234936239. The reversal of 234936221 is 122639432.

234936221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 234936221 - 2² = 234936217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234936211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11090 + ... + 24348.

It is an arithmetic number, because the mean of its divisors is an integer number (16707600).

Almost surely, 2^234936221 is an apocalyptic number.

It is an amenable number.

234936221 is a deficient number, since it is larger than the sum of its proper divisors (32385379).

234936221 is a wasteful number, since it uses less digits than its factorization.

234936221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13348.

The product of its digits is 15552, while the sum is 32.

The square root of 234936221 is about 15327.6293339838. The cubic root of 234936221 is about 617.0447471940.

The spelling of 234936221 in words is "two hundred thirty-four million, nine hundred thirty-six thousand, two hundred twenty-one".