228555766 has 8 divisors (see below), whose sum is σ = 343936944. Its totient is φ = 113910120.

The previous prime is 228555751. The next prime is 228555781. The reversal of 228555766 is 667555822.

It is an interprime number because it is at equal distance from previous prime (228555751) and next prime (228555781).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183105 + ... + 184348.

It is an arithmetic number, because the mean of its divisors is an integer number (42992118).

Almost surely, 2^228555766 is an apocalyptic number.

228555766 is a deficient number, since it is larger than the sum of its proper divisors (115381178).

228555766 is a wasteful number, since it uses less digits than its factorization.

228555766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367766.

The product of its digits is 1008000, while the sum is 46.

The square root of 228555766 is about 15118.0609206340. The cubic root of 228555766 is about 611.4074515173.

The spelling of 228555766 in words is "two hundred twenty-eight million, five hundred fifty-five thousand, seven hundred sixty-six".