30272219 has 2 divisors, whose sum is σ = 30272220. Its totient is φ = 30272218.

The previous prime is 30272191. The next prime is 30272233. The reversal of 30272219 is 91227203.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30272219 - 2⁸ = 30271963 is a prime.

It is a super-2 number, since 2×30272219² = 1832814486367922, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (30272279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15136109 + 15136110.

It is an arithmetic number, because the mean of its divisors is an integer number (15136110).

Almost surely, 2^30272219 is an apocalyptic number.

30272219 is a deficient number, since it is larger than the sum of its proper divisors (1).

30272219 is an equidigital number, since it uses as much as digits as its factorization.

30272219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 30272219 is about 5502.0195383150. The cubic root of 30272219 is about 311.6602529811.

The spelling of 30272219 in words is "thirty million, two hundred seventy-two thousand, two hundred nineteen".