30221875218 has 8 divisors (see below), whose sum is σ = 60443750448. Its totient is φ = 10073958404.

The previous prime is 30221875217. The next prime is 30221875259. The reversal of 30221875218 is 81257812203.

It is a sphenic number, since it is the product of 3 distinct primes.

30221875218 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (30221875217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2518489596 + ... + 2518489607.

It is an arithmetic number, because the mean of its divisors is an integer number (7555468806).

Almost surely, 2^30221875218 is an apocalyptic number.

30221875218 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

30221875218 is a wasteful number, since it uses less digits than its factorization.

30221875218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5036979208.

The product of its (nonzero) digits is 53760, while the sum is 39.

The spelling of 30221875218 in words is "thirty billion, two hundred twenty-one million, eight hundred seventy-five thousand, two hundred eighteen".