304212222005 has 8 divisors (see below), whose sum is σ = 367379856312. Its totient is φ = 241819651008.

The previous prime is 304212221987. The next prime is 304212222007. The reversal of 304212222005 is 500222212403.

It can be written as a sum of positive squares in 4 ways, for example, as 44594458276 + 259617763729 = 211174^2 + 509527^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 304212222005 - 2¹² = 304212217909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304212222007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193764962 + ... + 193766531.

It is an arithmetic number, because the mean of its divisors is an integer number (45922482039).

Almost surely, 2^304212222005 is an apocalyptic number.

It is an amenable number.

304212222005 is a deficient number, since it is larger than the sum of its proper divisors (63167634307).

304212222005 is a wasteful number, since it uses less digits than its factorization.

304212222005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387531655.

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 304212222005 its reverse (500222212403), we get a palindrome (804434434408).

The spelling of 304212222005 in words is "three hundred four billion, two hundred twelve million, two hundred twenty-two thousand, five".