304612220403 has 8 divisors (see below), whose sum is σ = 451277363600. Its totient is φ = 203074813584.

The previous prime is 304612220383. The next prime is 304612220411. The reversal of 304612220403 is 304022216403.

304612220403 is a `hidden beast` number, since 3 + 0 + 4 + 612 + 2 + 2 + 0 + 40 + 3 = 666.

It is not a de Polignac number, because 304612220403 - 2²⁸ = 304343784947 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 11281934089 = 304612220403 / (3 + 0 + 4 + 6 + 1 + 2 + 2 + 2 + 0 + 4 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (304612220503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5640967018 + ... + 5640967071.

It is an arithmetic number, because the mean of its divisors is an integer number (56409670450).

Almost surely, 2^304612220403 is an apocalyptic number.

304612220403 is a deficient number, since it is larger than the sum of its proper divisors (146665143197).

304612220403 is a wasteful number, since it uses less digits than its factorization.

304612220403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11281934098 (or 11281934092 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 304612220403 its reverse (304022216403), we get a palindrome (608634436806).

The spelling of 304612220403 in words is "three hundred four billion, six hundred twelve million, two hundred twenty thousand, four hundred three".