22230100320221 has 4 divisors (see below), whose sum is σ = 23537753280252. Its totient is φ = 20922447360192.

The previous prime is 22230100320193. The next prime is 22230100320317. The reversal of 22230100320221 is 12202300103222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15704885517721 + 6525214802500 = 3962939^2 + 2554450^2 .

It is a cyclic number.

It is not a de Polignac number, because 22230100320221 - 2⁶ = 22230100320157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22230100320193 and 22230100320202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22230100320721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 653826479990 + ... + 653826480023.

It is an arithmetic number, because the mean of its divisors is an integer number (5884438320063).

Almost surely, 2^{22230100320221} is an apocalyptic number.

It is an amenable number.

22230100320221 is a deficient number, since it is larger than the sum of its proper divisors (1307652960031).

22230100320221 is a wasteful number, since it uses less digits than its factorization.

22230100320221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307652960030.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22230100320221 its reverse (12202300103222), we get a palindrome (34432400423443).

The spelling of 22230100320221 in words is "twenty-two trillion, two hundred thirty billion, one hundred million, three hundred twenty thousand, two hundred twenty-one".