30221875216 has 30 divisors (see below), whose sum is σ = 63405589290. Its totient is φ = 13948556544.

The previous prime is 30221875157. The next prime is 30221875217. The reversal of 30221875216 is 61257812203.

It can be written as a sum of positive squares in 3 ways, for example, as 2479641616 + 27742233600 = 49796^2 + 166560^2 .

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 5 ways as a sum of consecutive naturals, for example, 5585661 + ... + 5591068.

It is an arithmetic number, because the mean of its divisors is an integer number (2113519643).

Almost surely, 2^30221875216 is an apocalyptic number.

It is an amenable number.

30221875216 is an abundant number, since it is smaller than the sum of its proper divisors (33183714074).

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

30221875216 is a wasteful number, since it uses less digits than its factorization.

30221875216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11176763 (or 11176744 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The spelling of 30221875216 in words is "thirty billion, two hundred twenty-one million, eight hundred seventy-five thousand, two hundred sixteen".