30018227 has 2 divisors, whose sum is σ = 30018228. Its totient is φ = 30018226.

The previous prime is 30018203. The next prime is 30018239. The reversal of 30018227 is 72281003.

It is a strong prime.

It is an emirp because it is prime and its reverse (72281003) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30018227 - 2¹⁰ = 30017203 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30018127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15009113 + 15009114.

It is an arithmetic number, because the mean of its divisors is an integer number (15009114).

Almost surely, 2^30018227 is an apocalyptic number.

30018227 is a deficient number, since it is larger than the sum of its proper divisors (1).

30018227 is an equidigital number, since it uses as much as digits as its factorization.

30018227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 30018227 is about 5478.8892122400. The cubic root of 30018227 is about 310.7861662185.

The spelling of 30018227 in words is "thirty million, eighteen thousand, two hundred twenty-seven".