228531671 has 2 divisors, whose sum is σ = 228531672. Its totient is φ = 228531670.

The previous prime is 228531661. The next prime is 228531701. The reversal of 228531671 is 176135822.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228531671 - 2⁶ = 228531607 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228531631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114265835 + 114265836.

It is an arithmetic number, because the mean of its divisors is an integer number (114265836).

Almost surely, 2^228531671 is an apocalyptic number.

228531671 is a deficient number, since it is larger than the sum of its proper divisors (1).

228531671 is an equidigital number, since it uses as much as digits as its factorization.

228531671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 35.

The square root of 228531671 is about 15117.2640051036. The cubic root of 228531671 is about 611.3859653238.

The spelling of 228531671 in words is "two hundred twenty-eight million, five hundred thirty-one thousand, six hundred seventy-one".