302302301221 has 2 divisors, whose sum is σ = 302302301222. Its totient is φ = 302302301220.

The previous prime is 302302301209. The next prime is 302302301243. The reversal of 302302301221 is 122103203203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 300671272225 + 1631028996 = 548335^2 + 40386^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-302302301221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (302302301251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151151150610 + 151151150611.

It is an arithmetic number, because the mean of its divisors is an integer number (151151150611).

Almost surely, 2^302302301221 is an apocalyptic number.

It is an amenable number.

302302301221 is a deficient number, since it is larger than the sum of its proper divisors (1).

302302301221 is an equidigital number, since it uses as much as digits as its factorization.

302302301221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 302302301221 its reverse (122103203203), we get a palindrome (424405504424).

The spelling of 302302301221 in words is "three hundred two billion, three hundred two million, three hundred one thousand, two hundred twenty-one".