21822863556134 has 8 divisors (see below), whose sum is σ = 32737168562040. Its totient is φ = 10910474035456.

The previous prime is 21822863556133. The next prime is 21822863556163. The reversal of 21822863556134 is 43165536822812.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 21822863556134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21822863556133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 478842824 + ... + 478888395.

It is an arithmetic number, because the mean of its divisors is an integer number (4092146070255).

Almost surely, 2^{21822863556134} is an apocalyptic number.

21822863556134 is a deficient number, since it is larger than the sum of its proper divisors (10914305005906).

21822863556134 is a wasteful number, since it uses less digits than its factorization.

21822863556134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957742614.

The product of its digits is 16588800, while the sum is 56.

The spelling of 21822863556134 in words is "twenty-one trillion, eight hundred twenty-two billion, eight hundred sixty-three million, five hundred fifty-six thousand, one hundred thirty-four".