1305422236566 has 36 divisors (see below), whose sum is σ = 3290196863772. Its totient is φ = 372977781624.

The previous prime is 1305422236529. The next prime is 1305422236567. The reversal of 1305422236566 is 6656322245031.

1305422236566 is a `hidden beast` number, since 1 + 3 + 0 + 5 + 4 + 222 + 365 + 66 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1305422236567) 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 17 ways as a sum of consecutive naturals, for example, 740034400 + ... + 740036163.

It is an arithmetic number, because the mean of its divisors is an integer number (91394357327).

Almost surely, 2^{1305422236566} is an apocalyptic number.

1305422236566 is an abundant number, since it is smaller than the sum of its proper divisors (1984774627206).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1305422236566 is a wasteful number, since it uses less digits than its factorization.

1305422236566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480070585 (or 1480070575 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 45.

The spelling of 1305422236566 in words is "one trillion, three hundred five billion, four hundred twenty-two million, two hundred thirty-six thousand, five hundred sixty-six".