227289159 has 20 divisors (see below), whose sum is σ = 340133904. Its totient is φ = 151257024.

The previous prime is 227289157. The next prime is 227289163. The reversal of 227289159 is 951982722.

It is a happy number.

It is not a de Polignac number, because 227289159 - 2¹ = 227289157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227289157) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 50239 + ... + 54575.

Almost surely, 2^227289159 is an apocalyptic number.

227289159 is a deficient number, since it is larger than the sum of its proper divisors (112844745).

227289159 is an equidigital number, since it uses as much as digits as its factorization.

227289159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4996 (or 4987 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 227289159 is about 15076.1121977783. The cubic root of 227289159 is about 610.2759290948.

The spelling of 227289159 in words is "two hundred twenty-seven million, two hundred eighty-nine thousand, one hundred fifty-nine".