228015871 has 2 divisors, whose sum is σ = 228015872. Its totient is φ = 228015870.

The previous prime is 228015829. The next prime is 228015919. The reversal of 228015871 is 178510822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228015871 - 2¹⁷ = 227884799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228013871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114007935 + 114007936.

It is an arithmetic number, because the mean of its divisors is an integer number (114007936).

Almost surely, 2^228015871 is an apocalyptic number.

228015871 is a deficient number, since it is larger than the sum of its proper divisors (1).

228015871 is an equidigital number, since it uses as much as digits as its factorization.

228015871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8960, while the sum is 34.

The square root of 228015871 is about 15100.1944027221. The cubic root of 228015871 is about 610.9256492112.

The spelling of 228015871 in words is "two hundred twenty-eight million, fifteen thousand, eight hundred seventy-one".