30353322221 has 2 divisors, whose sum is σ = 30353322222. Its totient is φ = 30353322220.

The previous prime is 30353322193. The next prime is 30353322269. The reversal of 30353322221 is 12222335303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30272520100 + 80802121 = 173990^2 + 8989^2 .

It is a cyclic number.

It is not a de Polignac number, because 30353322221 - 2¹⁰ = 30353321197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30353322281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15176661110 + 15176661111.

It is an arithmetic number, because the mean of its divisors is an integer number (15176661111).

Almost surely, 2^30353322221 is an apocalyptic number.

It is an amenable number.

30353322221 is a deficient number, since it is larger than the sum of its proper divisors (1).

30353322221 is an equidigital number, since it uses as much as digits as its factorization.

30353322221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 26.

Adding to 30353322221 its reverse (12222335303), we get a palindrome (42575657524).

The spelling of 30353322221 in words is "thirty billion, three hundred fifty-three million, three hundred twenty-two thousand, two hundred twenty-one".