22030312200221 has 4 divisors (see below), whose sum is σ = 23724951600252. Its totient is φ = 20335672800192.

The previous prime is 22030312200157. The next prime is 22030312200227. The reversal of 22030312200221 is 12200221303022.

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 9580176374596 + 12450135825625 = 3095186^2 + 3528475^2 .

It is a cyclic number.

It is not a de Polignac number, because 22030312200221 - 2⁶ = 22030312200157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22030312200193 and 22030312200202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22030312200227) 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, 847319699996 + ... + 847319700021.

It is an arithmetic number, because the mean of its divisors is an integer number (5931237900063).

Almost surely, 2^{22030312200221} is an apocalyptic number.

It is an amenable number.

22030312200221 is a deficient number, since it is larger than the sum of its proper divisors (1694639400031).

22030312200221 is a wasteful number, since it uses less digits than its factorization.

22030312200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694639400030.

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

Adding to 22030312200221 its reverse (12200221303022), we get a palindrome (34230533503243).

The spelling of 22030312200221 in words is "twenty-two trillion, thirty billion, three hundred twelve million, two hundred thousand, two hundred twenty-one".