228157327 has 2 divisors, whose sum is σ = 228157328. Its totient is φ = 228157326.

The previous prime is 228157291. The next prime is 228157361. The reversal of 228157327 is 723751822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228157327 - 2⁷ = 228157199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228157367) 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, 114078663 + 114078664.

It is an arithmetic number, because the mean of its divisors is an integer number (114078664).

Almost surely, 2^228157327 is an apocalyptic number.

228157327 is a deficient number, since it is larger than the sum of its proper divisors (1).

228157327 is an equidigital number, since it uses as much as digits as its factorization.

228157327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47040, while the sum is 37.

The square root of 228157327 is about 15104.8775897059. The cubic root of 228157327 is about 611.0519580124.

It can be divided in two parts, 228157 and 327, that added together give a square (228484 = 478²).

The spelling of 228157327 in words is "two hundred twenty-eight million, one hundred fifty-seven thousand, three hundred twenty-seven".