304149227 has 4 divisors (see below), whose sum is σ = 322040376. Its totient is φ = 286258080.

The previous prime is 304149221. The next prime is 304149239. The reversal of 304149227 is 722941403.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 304149227 - 2⁶ = 304149163 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 304149193 and 304149202.

It is not an unprimeable number, because it can be changed into a prime (304149221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8945549 + ... + 8945582.

It is an arithmetic number, because the mean of its divisors is an integer number (80510094).

Almost surely, 2^304149227 is an apocalyptic number.

304149227 is a deficient number, since it is larger than the sum of its proper divisors (17891149).

304149227 is a wasteful number, since it uses less digits than its factorization.

304149227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17891148.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 304149227 is about 17439.8746268429. The cubic root of 304149227 is about 672.5050847448.

The spelling of 304149227 in words is "three hundred four million, one hundred forty-nine thousand, two hundred twenty-seven".