304434422212221 has 80 divisors (see below), whose sum is σ = 552511407212160. Its totient is φ = 163174855363200.

The previous prime is 304434422212199. The next prime is 304434422212241. The reversal of 304434422212221 is 122212224434403.

304434422212221 is a `hidden beast` number, since 3 + 0 + 4 + 4 + 3 + 4 + 422 + 2 + 1 + 2 + 221 = 666.

It is not a de Polignac number, because 304434422212221 - 2¹⁵ = 304434422179453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304434422212241) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 138808066 + ... + 140984211.

It is an arithmetic number, because the mean of its divisors is an integer number (6906392590152).

Almost surely, 2^{304434422212221} is an apocalyptic number.

It is an amenable number.

304434422212221 is a deficient number, since it is larger than the sum of its proper divisors (248076984999939).

304434422212221 is a wasteful number, since it uses less digits than its factorization.

304434422212221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279792416 (or 279792407 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

Adding to 304434422212221 its reverse (122212224434403), we get a palindrome (426646646646624).

The spelling of 304434422212221 in words is "three hundred four trillion, four hundred thirty-four billion, four hundred twenty-two million, two hundred twelve thousand, two hundred twenty-one".