228666230 has 64 divisors (see below), whose sum is σ = 477646848. Its totient is φ = 78122880.

The previous prime is 228666227. The next prime is 228666257. The reversal of 228666230 is 32666822.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91457 + ... + 93923.

It is an arithmetic number, because the mean of its divisors is an integer number (7463232).

Almost surely, 2^228666230 is an apocalyptic number.

228666230 is an abundant number, since it is smaller than the sum of its proper divisors (248980618).

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

228666230 is a wasteful number, since it uses less digits than its factorization.

228666230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2541.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 228666230 is about 15121.7138578932. The cubic root of 228666230 is about 611.5059360667.

The spelling of 228666230 in words is "two hundred twenty-eight million, six hundred sixty-six thousand, two hundred thirty".