306621411022244 has 6 divisors (see below), whose sum is σ = 536587469288934. Its totient is φ = 153310705511120.

The previous prime is 306621411022187. The next prime is 306621411022307. The reversal of 306621411022244 is 442220114126603.

It can be written as a sum of positive squares in only one way, i.e., 225403680902500 + 81217730119744 = 15013450^2 + 9012088^2 .

It is a junction number, because it is equal to n+sod(n) for n = 306621411022198 and 306621411022207.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38327676377777 + ... + 38327676377784.

It is an arithmetic number, because the mean of its divisors is an integer number (89431244881489).

Almost surely, 2^{306621411022244} is an apocalyptic number.

It is an amenable number.

306621411022244 is a deficient number, since it is larger than the sum of its proper divisors (229966058266690).

306621411022244 is a wasteful number, since it uses less digits than its factorization.

306621411022244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76655352755565 (or 76655352755563 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 38.

Adding to 306621411022244 its reverse (442220114126603), we get a palindrome (748841525148847).

The spelling of 306621411022244 in words is "three hundred six trillion, six hundred twenty-one billion, four hundred eleven million, twenty-two thousand, two hundred forty-four".