220330222301221 has 8 divisors (see below), whose sum is σ = 222280365907224. Its totient is φ = 218380084285440.

The previous prime is 220330222301213. The next prime is 220330222301243. The reversal of 220330222301221 is 122103222033022.

It can be written as a sum of positive squares in 4 ways, for example, as 2807869948900 + 217522352352321 = 1675670^2 + 14748639^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 220330222301221 - 2³ = 220330222301213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220330222301281) 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 7 ways as a sum of consecutive naturals, for example, 150819735 + ... + 152273611.

It is an arithmetic number, because the mean of its divisors is an integer number (27785045738403).

Almost surely, 2^{220330222301221} is an apocalyptic number.

It is an amenable number.

220330222301221 is a deficient number, since it is larger than the sum of its proper divisors (1950143606003).

220330222301221 is a wasteful number, since it uses less digits than its factorization.

220330222301221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2795111.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 220330222301221 its reverse (122103222033022), we get a palindrome (342433444334243).

The spelling of 220330222301221 in words is "two hundred twenty trillion, three hundred thirty billion, two hundred twenty-two million, three hundred one thousand, two hundred twenty-one".