228143327 has 2 divisors, whose sum is σ = 228143328. Its totient is φ = 228143326.

The previous prime is 228143297. The next prime is 228143329. The reversal of 228143327 is 723341822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228143327 - 2⁶ = 228143263 is a prime.

Together with 228143329, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 228143293 and 228143302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228143329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114071663 + 114071664.

It is an arithmetic number, because the mean of its divisors is an integer number (114071664).

Almost surely, 2^228143327 is an apocalyptic number.

228143327 is a deficient number, since it is larger than the sum of its proper divisors (1).

228143327 is an equidigital number, since it uses as much as digits as its factorization.

228143327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 32.

The square root of 228143327 is about 15104.4141561333. The cubic root of 228143327 is about 611.0394594695.

The spelling of 228143327 in words is "two hundred twenty-eight million, one hundred forty-three thousand, three hundred twenty-seven".