22026564561642 has 16 divisors (see below), whose sum is σ = 44775311568672. Its totient is φ = 7221824446320.

The previous prime is 22026564561623. The next prime is 22026564561647. The reversal of 22026564561642 is 24616546562022.

It is not an unprimeable number, because it can be changed into a prime (22026564561647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30090934828 + ... + 30090935559.

It is an arithmetic number, because the mean of its divisors is an integer number (2798456973042).

Almost surely, 2^{22026564561642} is an apocalyptic number.

22026564561642 is an abundant number, since it is smaller than the sum of its proper divisors (22748747007030).

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

22026564561642 is a wasteful number, since it uses less digits than its factorization.

22026564561642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60181870453.

The product of its (nonzero) digits is 8294400, while the sum is 51.

The spelling of 22026564561642 in words is "twenty-two trillion, twenty-six billion, five hundred sixty-four million, five hundred sixty-one thousand, six hundred forty-two".