228558894 has 16 divisors (see below), whose sum is σ = 457266432. Its totient is φ = 76161528.

The previous prime is 228558871. The next prime is 228558901. The reversal of 228558894 is 498855822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30747 + ... + 37449.

It is an arithmetic number, because the mean of its divisors is an integer number (28579152).

Almost surely, 2^228558894 is an apocalyptic number.

228558894 is an abundant number, since it is smaller than the sum of its proper divisors (228707538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228558894 is a wasteful number, since it uses less digits than its factorization.

228558894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12391.

The product of its digits is 1843200, while the sum is 51.

The square root of 228558894 is about 15118.1643727008. The cubic root of 228558894 is about 611.4102407327.

The spelling of 228558894 in words is "two hundred twenty-eight million, five hundred fifty-eight thousand, eight hundred ninety-four".