30321320212222 has 32 divisors (see below), whose sum is σ = 51559587061920. Its totient is φ = 13257630858240.

The previous prime is 30321320212187. The next prime is 30321320212229. The reversal of 30321320212222 is 22221202312303.

It is a super-2 number, since 2×30321320212222² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30321320212229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24248698 + ... + 25468450.

It is an arithmetic number, because the mean of its divisors is an integer number (1611237095685).

Almost surely, 2^{30321320212222} is an apocalyptic number.

30321320212222 is a deficient number, since it is larger than the sum of its proper divisors (21238266849698).

30321320212222 is a wasteful number, since it uses less digits than its factorization.

30321320212222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270108.

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

Adding to 30321320212222 its reverse (22221202312303), we get a palindrome (52542522524525).

The spelling of 30321320212222 in words is "thirty trillion, three hundred twenty-one billion, three hundred twenty million, two hundred twelve thousand, two hundred twenty-two".