230140221 has 8 divisors (see below), whose sum is σ = 307028544. Its totient is φ = 153339360.

The previous prime is 230140087. The next prime is 230140223. The reversal of 230140221 is 122041032.

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

It is not a de Polignac number, because 230140221 - 2¹⁷ = 230009149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 230140221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230140223) 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, 15456 + ... + 26441.

It is an arithmetic number, because the mean of its divisors is an integer number (38378568).

Almost surely, 2^230140221 is an apocalyptic number.

It is an amenable number.

230140221 is a deficient number, since it is larger than the sum of its proper divisors (76888323).

230140221 is a wasteful number, since it uses less digits than its factorization.

230140221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43731.

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

The square root of 230140221 is about 15170.3731331830. The cubic root of 230140221 is about 612.8170529017.

Adding to 230140221 its reverse (122041032), we get a palindrome (352181253).

The spelling of 230140221 in words is "two hundred thirty million, one hundred forty thousand, two hundred twenty-one".