230221206 has 24 divisors (see below), whose sum is σ = 499341024. Its totient is φ = 76659120.

The previous prime is 230221177. The next prime is 230221219. The reversal of 230221206 is 602122032.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12115 + ... + 24641.

It is an arithmetic number, because the mean of its divisors is an integer number (20805876).

Almost surely, 2^230221206 is an apocalyptic number.

230221206 is an abundant number, since it is smaller than the sum of its proper divisors (269119818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230221206 is a wasteful number, since it uses less digits than its factorization.

230221206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13556 (or 13553 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 230221206 is about 15173.0420812703. The cubic root of 230221206 is about 612.8889267193. Note that the first 3 decimals are identical.

Adding to 230221206 its reverse (602122032), we get a palindrome (832343238).

The spelling of 230221206 in words is "two hundred thirty million, two hundred twenty-one thousand, two hundred six".