30321220222332 has 144 divisors (see below), whose sum is σ = 84301951598592. Its totient is φ = 9130599365760.

The previous prime is 30321220222331. The next prime is 30321220222351. The reversal of 30321220222332 is 23322202212303.

30321220222332 is a `hidden beast` number, since 3 + 0 + 321 + 2 + 2 + 0 + 2 + 2 + 2 + 332 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 30321220222296 and 30321220222305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30321220222331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 650772357 + ... + 650818947.

Almost surely, 2^{30321220222332} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30321220222332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42150975799296).

30321220222332 is an abundant number, since it is smaller than the sum of its proper divisors (53980731376260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30321220222332 is a wasteful number, since it uses less digits than its factorization.

30321220222332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76248 (or 76243 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 30321220222332 its reverse (23322202212303), we get a palindrome (53643422434635).

The spelling of 30321220222332 in words is "thirty trillion, three hundred twenty-one billion, two hundred twenty million, two hundred twenty-two thousand, three hundred thirty-two".