228633566 has 8 divisors (see below), whose sum is σ = 391943280. Its totient is φ = 97985808.

The previous prime is 228633563. The next prime is 228633577. The reversal of 228633566 is 665336822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228633563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8165471 + ... + 8165498.

It is an arithmetic number, because the mean of its divisors is an integer number (48992910).

Almost surely, 2^228633566 is an apocalyptic number.

228633566 is a deficient number, since it is larger than the sum of its proper divisors (163309714).

228633566 is a wasteful number, since it uses less digits than its factorization.

228633566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16330978.

The product of its digits is 311040, while the sum is 41.

The square root of 228633566 is about 15120.6337830132. The cubic root of 228633566 is about 611.4768176714.

The spelling of 228633566 in words is "two hundred twenty-eight million, six hundred thirty-three thousand, five hundred sixty-six".