21822384636001 has 4 divisors (see below), whose sum is σ = 21822958781104. Its totient is φ = 21821810490900.

The previous prime is 21822384635993. The next prime is 21822384636011. The reversal of 21822384636001 is 10063648322812.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 21822384636001 - 2³ = 21822384635993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21822384636011) 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, 287015535 + ... + 287091556.

It is an arithmetic number, because the mean of its divisors is an integer number (5455739695276).

Almost surely, 2^{21822384636001} is an apocalyptic number.

It is an amenable number.

21822384636001 is a deficient number, since it is larger than the sum of its proper divisors (574145103).

21822384636001 is an equidigital number, since it uses as much as digits as its factorization.

21822384636001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574145102.

The product of its (nonzero) digits is 663552, while the sum is 46.

The spelling of 21822384636001 in words is "twenty-one trillion, eight hundred twenty-two billion, three hundred eighty-four million, six hundred thirty-six thousand, one".