230230302221 has 4 divisors (see below), whose sum is σ = 230528142972. Its totient is φ = 229932461472.

The previous prime is 230230302209. The next prime is 230230302241. The reversal of 230230302221 is 122203032032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27617786596 + 202612515625 = 166186^2 + 450125^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230230302221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230230302193 and 230230302202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230230302241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148919216 + ... + 148920761.

It is an arithmetic number, because the mean of its divisors is an integer number (57632035743).

Almost surely, 2^230230302221 is an apocalyptic number.

It is an amenable number.

230230302221 is a deficient number, since it is larger than the sum of its proper divisors (297840751).

230230302221 is an equidigital number, since it uses as much as digits as its factorization.

230230302221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297840750.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 230230302221 its reverse (122203032032), we get a palindrome (352433334253).

The spelling of 230230302221 in words is "two hundred thirty billion, two hundred thirty million, three hundred two thousand, two hundred twenty-one".