228804666 has 16 divisors (see below), whose sum is σ = 484527744. Its totient is φ = 71781824.

The previous prime is 228804661. The next prime is 228804673. The reversal of 228804666 is 666408822.

It is not an unprimeable number, because it can be changed into a prime (228804661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1121490 + ... + 1121693.

It is an arithmetic number, because the mean of its divisors is an integer number (30282984).

Almost surely, 2^228804666 is an apocalyptic number.

228804666 is an abundant number, since it is smaller than the sum of its proper divisors (255723078).

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

228804666 is a wasteful number, since it uses less digits than its factorization.

228804666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2243205.

The product of its (nonzero) digits is 221184, while the sum is 42.

The square root of 228804666 is about 15126.2905565112. The cubic root of 228804666 is about 611.6293143753.

The spelling of 228804666 in words is "two hundred twenty-eight million, eight hundred four thousand, six hundred sixty-six".