330322233312221 has 2 divisors, whose sum is σ = 330322233312222. Its totient is φ = 330322233312220.

The previous prime is 330322233312143. The next prime is 330322233312223. The reversal of 330322233312221 is 122213332223033.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203066461519321 + 127255771792900 = 14250139^2 + 11280770^2 .

It is a cyclic number.

It is not a de Polignac number, because 330322233312221 - 2¹⁴ = 330322233295837 is a prime.

It is a super-2 number, since 2×330322233312221² (a number of 30 digits) contains 22 as substring.

Together with 330322233312223, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (330322233312223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165161116656110 + 165161116656111.

It is an arithmetic number, because the mean of its divisors is an integer number (165161116656111).

Almost surely, 2^{330322233312221} is an apocalyptic number.

It is an amenable number.

330322233312221 is a deficient number, since it is larger than the sum of its proper divisors (1).

330322233312221 is an equidigital number, since it uses as much as digits as its factorization.

330322233312221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 32.

Adding to 330322233312221 its reverse (122213332223033), we get a palindrome (452535565535254).

The spelling of 330322233312221 in words is "three hundred thirty trillion, three hundred twenty-two billion, two hundred thirty-three million, three hundred twelve thousand, two hundred twenty-one".