230555221 has 8 divisors (see below), whose sum is σ = 248509184. Its totient is φ = 212632560.

The previous prime is 230555209. The next prime is 230555239. The reversal of 230555221 is 122555032.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 230555221 - 2⁵ = 230555189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230555201) 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, 8800 + ... + 23206.

It is an arithmetic number, because the mean of its divisors is an integer number (31063648).

Almost surely, 2^230555221 is an apocalyptic number.

It is an amenable number.

230555221 is a deficient number, since it is larger than the sum of its proper divisors (17953963).

230555221 is a wasteful number, since it uses less digits than its factorization.

230555221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15651.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 230555221 is about 15184.0449485636. The cubic root of 230555221 is about 613.1851855152.

The spelling of 230555221 in words is "two hundred thirty million, five hundred fifty-five thousand, two hundred twenty-one".