30420227 has 2 divisors, whose sum is σ = 30420228. Its totient is φ = 30420226.

The previous prime is 30420209. The next prime is 30420239. The reversal of 30420227 is 72202403.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30420227 - 2⁸ = 30419971 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30420199 and 30420208.

It is not a weakly prime, because it can be changed into another prime (30420277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15210113 + 15210114.

It is an arithmetic number, because the mean of its divisors is an integer number (15210114).

Almost surely, 2^30420227 is an apocalyptic number.

30420227 is a deficient number, since it is larger than the sum of its proper divisors (1).

30420227 is an equidigital number, since it uses as much as digits as its factorization.

30420227 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 20.

The square root of 30420227 is about 5515.4534718371. The cubic root of 30420227 is about 312.1673541953.

The spelling of 30420227 in words is "thirty million, four hundred twenty thousand, two hundred twenty-seven".