227148151 has 2 divisors, whose sum is σ = 227148152. Its totient is φ = 227148150.

The previous prime is 227148149. The next prime is 227148179. The reversal of 227148151 is 151841722.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 227148151 - 2¹ = 227148149 is a prime.

Together with 227148149, it forms a pair of twin primes.

It is equal to p_12494515 and since 227148151 and 12494515 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227148121) 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, 113574075 + 113574076.

It is an arithmetic number, because the mean of its divisors is an integer number (113574076).

Almost surely, 2^227148151 is an apocalyptic number.

227148151 is a deficient number, since it is larger than the sum of its proper divisors (1).

227148151 is an equidigital number, since it uses as much as digits as its factorization.

227148151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4480, while the sum is 31.

The square root of 227148151 is about 15071.4349350020. The cubic root of 227148151 is about 610.1496998891.

Adding to 227148151 its reverse (151841722), we get a palindrome (378989873).

The spelling of 227148151 in words is "two hundred twenty-seven million, one hundred forty-eight thousand, one hundred fifty-one".