302230221 has 16 divisors (see below), whose sum is σ = 415791360. Its totient is φ = 195174720.

The previous prime is 302230211. The next prime is 302230237. The reversal of 302230221 is 122032203.

It is not a de Polignac number, because 302230221 - 2⁶ = 302230157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 302230221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302230211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 531 + ... + 24591.

It is an arithmetic number, because the mean of its divisors is an integer number (25986960).

Almost surely, 2^302230221 is an apocalyptic number.

It is an amenable number.

302230221 is a deficient number, since it is larger than the sum of its proper divisors (113561139).

302230221 is a wasteful number, since it uses less digits than its factorization.

302230221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24196.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 302230221 is about 17384.7698000290. The cubic root of 302230221 is about 671.0877267266.

Adding to 302230221 its reverse (122032203), we get a palindrome (424262424).

The spelling of 302230221 in words is "three hundred two million, two hundred thirty thousand, two hundred twenty-one".