230146221 has 16 divisors (see below), whose sum is σ = 342014400. Its totient is φ = 136804608.

The previous prime is 230146219. The next prime is 230146223. The reversal of 230146221 is 122641032.

It is an interprime number because it is at equal distance from previous prime (230146219) and next prime (230146223).

It is not a de Polignac number, because 230146221 - 2¹ = 230146219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230146223) 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, 117786 + ... + 119723.

It is an arithmetic number, because the mean of its divisors is an integer number (21375900).

Almost surely, 2^230146221 is an apocalyptic number.

It is an amenable number.

230146221 is a deficient number, since it is larger than the sum of its proper divisors (111868179).

230146221 is a wasteful number, since it uses less digits than its factorization.

230146221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237548.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 230146221 is about 15170.5708857643. The cubic root of 230146221 is about 612.8223784526.

Adding to 230146221 its reverse (122641032), we get a palindrome (352787253).

The spelling of 230146221 in words is "two hundred thirty million, one hundred forty-six thousand, two hundred twenty-one".