305412227 has 2 divisors, whose sum is σ = 305412228. Its totient is φ = 305412226.

The previous prime is 305412209. The next prime is 305412229. The reversal of 305412227 is 722214503.

It is a strong prime.

It is an emirp because it is prime and its reverse (722214503) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 305412227 - 2¹⁰ = 305411203 is a prime.

Together with 305412229, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 305412196 and 305412205.

It is not a weakly prime, because it can be changed into another prime (305412229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152706113 + 152706114.

It is an arithmetic number, because the mean of its divisors is an integer number (152706114).

Almost surely, 2^305412227 is an apocalyptic number.

305412227 is a deficient number, since it is larger than the sum of its proper divisors (1).

305412227 is an equidigital number, since it uses as much as digits as its factorization.

305412227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 305412227 is about 17476.0472361458. The cubic root of 305412227 is about 673.4346733125.

It can be divided in two parts, 30541 and 2227, that added together give a 15-th power (32768 = 2¹⁵).

The spelling of 305412227 in words is "three hundred five million, four hundred twelve thousand, two hundred twenty-seven".