30308888228 has 6 divisors (see below), whose sum is σ = 53040554406. Its totient is φ = 15154444112.

The previous prime is 30308888219. The next prime is 30308888279. The reversal of 30308888228 is 82288880303.

It can be written as a sum of positive squares in only one way, i.e., 22824562084 + 7484326144 = 151078^2 + 86512^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3788611025 + ... + 3788611032.

It is an arithmetic number, because the mean of its divisors is an integer number (8840092401).

Almost surely, 2^30308888228 is an apocalyptic number.

It is an amenable number.

30308888228 is a deficient number, since it is larger than the sum of its proper divisors (22731666178).

30308888228 is a wasteful number, since it uses less digits than its factorization.

30308888228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7577222061 (or 7577222059 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 50.

The spelling of 30308888228 in words is "thirty billion, three hundred eight million, eight hundred eighty-eight thousand, two hundred twenty-eight".