320000227 has 2 divisors, whose sum is σ = 320000228. Its totient is φ = 320000226.

The previous prime is 320000221. The next prime is 320000251. The reversal of 320000227 is 722000023.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (722000023) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320000227 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 320000227.

It is not a weakly prime, because it can be changed into another prime (320000221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160000113 + 160000114.

It is an arithmetic number, because the mean of its divisors is an integer number (160000114).

Almost surely, 2^320000227 is an apocalyptic number.

320000227 is a deficient number, since it is larger than the sum of its proper divisors (1).

320000227 is an equidigital number, since it uses as much as digits as its factorization.

320000227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 320000227 is about 17888.5501648401. The cubic root of 320000227 is about 683.9905404059.

The spelling of 320000227 in words is "three hundred twenty million, two hundred twenty-seven", and thus it is an aban number.