304226473 has 4 divisors (see below), whose sum is σ = 304520320. Its totient is φ = 303932628.

The previous prime is 304226401. The next prime is 304226477. The reversal of 304226473 is 374622403.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 374622403 = 131 ⋅2859713.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-304226473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (304226477) 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, 145365 + ... + 147442.

It is an arithmetic number, because the mean of its divisors is an integer number (76130080).

Almost surely, 2^304226473 is an apocalyptic number.

It is an amenable number.

304226473 is a deficient number, since it is larger than the sum of its proper divisors (293847).

304226473 is a wasteful number, since it uses less digits than its factorization.

304226473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293846.

The product of its (nonzero) digits is 24192, while the sum is 31.

The square root of 304226473 is about 17442.0891237260. The cubic root of 304226473 is about 672.5620128642.

Adding to 304226473 its reverse (374622403), we get a palindrome (678848876).

The spelling of 304226473 in words is "three hundred four million, two hundred twenty-six thousand, four hundred seventy-three".