221322200203322 has 16 divisors (see below), whose sum is σ = 338250071350152. Its totient is φ = 108572212656960.

The previous prime is 221322200203259. The next prime is 221322200203327. The reversal of 221322200203322 is 223302002223122.

It can be written as a sum of positive squares in 4 ways, for example, as 191886464631481 + 29435735571841 = 13852309^2 + 5425471^2 .

It is a junction number, because it is equal to n+sod(n) for n = 221322200203291 and 221322200203300.

It is not an unprimeable number, because it can be changed into a prime (221322200203327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3292748 + ... + 21295224.

Almost surely, 2^{221322200203322} is an apocalyptic number.

221322200203322 is a deficient number, since it is larger than the sum of its proper divisors (116927871146830).

221322200203322 is a wasteful number, since it uses less digits than its factorization.

221322200203322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18118513.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 221322200203322 its reverse (223302002223122), we get a palindrome (444624202426444).

The spelling of 221322200203322 in words is "two hundred twenty-one trillion, three hundred twenty-two billion, two hundred million, two hundred three thousand, three hundred twenty-two".