304212221227 has 2 divisors, whose sum is σ = 304212221228. Its totient is φ = 304212221226.

The previous prime is 304212221219. The next prime is 304212221239. The reversal of 304212221227 is 722122212403.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (722122212403) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 304212221227 - 2³ = 304212221219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 304212221195 and 304212221204.

It is not a weakly prime, because it can be changed into another prime (304212221207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152106110613 + 152106110614.

It is an arithmetic number, because the mean of its divisors is an integer number (152106110614).

Almost surely, 2^304212221227 is an apocalyptic number.

304212221227 is a deficient number, since it is larger than the sum of its proper divisors (1).

304212221227 is an equidigital number, since it uses as much as digits as its factorization.

304212221227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 28.

The spelling of 304212221227 in words is "three hundred four billion, two hundred twelve million, two hundred twenty-one thousand, two hundred twenty-seven".