22605236660505 has 64 divisors (see below), whose sum is σ = 36487441820160. Its totient is φ = 11950311131136.

The previous prime is 22605236660497. The next prime is 22605236660521. The reversal of 22605236660505 is 50506663250622.

It is not a de Polignac number, because 22605236660505 - 2³ = 22605236660497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1239788869 + ... + 1239807101.

It is an arithmetic number, because the mean of its divisors is an integer number (570116278440).

Almost surely, 2^{22605236660505} is an apocalyptic number.

It is an amenable number.

22605236660505 is a deficient number, since it is larger than the sum of its proper divisors (13882205159655).

22605236660505 is a wasteful number, since it uses less digits than its factorization.

22605236660505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20050.

The product of its (nonzero) digits is 3888000, while the sum is 48.

The spelling of 22605236660505 in words is "twenty-two trillion, six hundred five billion, two hundred thirty-six million, six hundred sixty thousand, five hundred five".