220002333221 has 12 divisors (see below), whose sum is σ = 241885005516. Its totient is φ = 199948974720.

The previous prime is 220002333203. The next prime is 220002333241. The reversal of 220002333221 is 122333200022.

It can be written as a sum of positive squares in 2 ways, for example, as 91999382596 + 128002950625 = 303314^2 + 357775^2 .

It is not a de Polignac number, because 220002333221 - 2⁶ = 220002333157 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 220002333193 and 220002333202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220002333241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 219275 + ... + 698631.

It is an arithmetic number, because the mean of its divisors is an integer number (20157083793).

Almost surely, 2^220002333221 is an apocalyptic number.

It is an amenable number.

220002333221 is a deficient number, since it is larger than the sum of its proper divisors (21882672295).

220002333221 is a wasteful number, since it uses less digits than its factorization.

220002333221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483172 (or 483161 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 220002333221 its reverse (122333200022), we get a palindrome (342335533243).

The spelling of 220002333221 in words is "two hundred twenty billion, two million, three hundred thirty-three thousand, two hundred twenty-one".