22201442304021 has 12 divisors (see below), whose sum is σ = 32850914629260. Its totient is φ = 14439962473920.

The previous prime is 22201442304017. The next prime is 22201442304023. The reversal of 22201442304021 is 12040324410222.

It is a happy number.

22201442304021 is a `hidden beast` number, since 2 + 2 + 20 + 1 + 4 + 4 + 230 + 402 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 591830183025 + 21609612120996 = 769305^2 + 4648614^2 .

It is not a de Polignac number, because 22201442304021 - 2² = 22201442304017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22201442304023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30083254786 + ... + 30083255523.

It is an arithmetic number, because the mean of its divisors is an integer number (2737576219105).

Almost surely, 2^{22201442304021} is an apocalyptic number.

It is an amenable number.

22201442304021 is a deficient number, since it is larger than the sum of its proper divisors (10649472325239).

22201442304021 is a wasteful number, since it uses less digits than its factorization.

22201442304021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60166510356 (or 60166510353 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 22201442304021 its reverse (12040324410222), we get a palindrome (34241766714243).

The spelling of 22201442304021 in words is "twenty-two trillion, two hundred one billion, four hundred forty-two million, three hundred four thousand, twenty-one".