228316554 has 12 divisors (see below), whose sum is σ = 494685906. Its totient is φ = 76105512.

The previous prime is 228316549. The next prime is 228316567. The reversal of 228316554 is 455613822.

228316554 is a `hidden beast` number, since 22 + 83 + 1 + 6 + 554 = 666.

It can be written as a sum of positive squares in only one way, i.e., 174953529 + 53363025 = 13227^2 + 7305^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6342109 + ... + 6342144.

Almost surely, 2^228316554 is an apocalyptic number.

228316554 is an abundant number, since it is smaller than the sum of its proper divisors (266369352).

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

228316554 is a wasteful number, since it uses less digits than its factorization.

228316554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12684261 (or 12684258 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 228316554 is about 15110.1473851184. The cubic root of 228316554 is about 611.1940724420.

The spelling of 228316554 in words is "two hundred twenty-eight million, three hundred sixteen thousand, five hundred fifty-four".