304225147 has 2 divisors, whose sum is σ = 304225148. Its totient is φ = 304225146.

The previous prime is 304225133. The next prime is 304225153. The reversal of 304225147 is 741522403.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 304225147 - 2¹¹ = 304223099 is a prime.

It is not a weakly prime, because it can be changed into another prime (304225177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152112573 + 152112574.

It is an arithmetic number, because the mean of its divisors is an integer number (152112574).

Almost surely, 2^304225147 is an apocalyptic number.

304225147 is a deficient number, since it is larger than the sum of its proper divisors (1).

304225147 is an equidigital number, since it uses as much as digits as its factorization.

304225147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 304225147 is about 17442.0511121829. The cubic root of 304225147 is about 672.5610357210.

The spelling of 304225147 in words is "three hundred four million, two hundred twenty-five thousand, one hundred forty-seven".