228016018487 has 4 divisors (see below), whose sum is σ = 228018530256. Its totient is φ = 228013506720.

The previous prime is 228016018471. The next prime is 228016018493. The reversal of 228016018487 is 784810610822.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 228016018487 - 2⁴ = 228016018471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228016018427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1114403 + ... + 1303044.

It is an arithmetic number, because the mean of its divisors is an integer number (57004632564).

Almost surely, 2^228016018487 is an apocalyptic number.

228016018487 is a deficient number, since it is larger than the sum of its proper divisors (2511769).

228016018487 is an equidigital number, since it uses as much as digits as its factorization.

228016018487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2511768.

The product of its (nonzero) digits is 344064, while the sum is 47.

The spelling of 228016018487 in words is "two hundred twenty-eight billion, sixteen million, eighteen thousand, four hundred eighty-seven".