228558863 has 16 divisors (see below), whose sum is σ = 261979200. Its totient is φ = 197531136.

The previous prime is 228558833. The next prime is 228558871. The reversal of 228558863 is 368855822.

It is a cyclic number.

It is not a de Polignac number, because 228558863 - 2²⁶ = 161449999 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 (228558833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41381 + ... + 46577.

It is an arithmetic number, because the mean of its divisors is an integer number (16373700).

Almost surely, 2^228558863 is an apocalyptic number.

228558863 is a deficient number, since it is larger than the sum of its proper divisors (33420337).

228558863 is a wasteful number, since it uses less digits than its factorization.

228558863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5426.

The product of its digits is 921600, while the sum is 47.

The square root of 228558863 is about 15118.1633474440. The cubic root of 228558863 is about 611.4102130903.

The spelling of 228558863 in words is "two hundred twenty-eight million, five hundred fifty-eight thousand, eight hundred sixty-three".