30222210312 has 192 divisors, whose sum is σ = 102750336000. Its totient is φ = 7824719232.

The previous prime is 30222210311. The next prime is 30222210353. The reversal of 30222210312 is 21301222203.

It is a super-2 number, since 2×30222210312² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (30222210311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 151639 + ... + 288857.

It is an arithmetic number, because the mean of its divisors is an integer number (535158000).

Almost surely, 2^30222210312 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 30222210312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51375168000).

30222210312 is an abundant number, since it is smaller than the sum of its proper divisors (72528125688).

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

30222210312 is a wasteful number, since it uses less digits than its factorization.

30222210312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137280 (or 137273 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 30222210312 its reverse (21301222203), we get a palindrome (51523432515).

The spelling of 30222210312 in words is "thirty billion, two hundred twenty-two million, two hundred ten thousand, three hundred twelve".