228146655 has 32 divisors (see below), whose sum is σ = 400900608. Its totient is φ = 109872000.

The previous prime is 228146629. The next prime is 228146657. The reversal of 228146655 is 556641822.

It is not a de Polignac number, because 228146655 - 2¹⁵ = 228113887 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228146657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20337 + ... + 29493.

It is an arithmetic number, because the mean of its divisors is an integer number (12528144).

Almost surely, 2^228146655 is an apocalyptic number.

228146655 is a deficient number, since it is larger than the sum of its proper divisors (172753953).

228146655 is a wasteful number, since it uses less digits than its factorization.

228146655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9327.

The product of its digits is 115200, while the sum is 39.

The square root of 228146655 is about 15104.5243222023. The cubic root of 228146655 is about 611.0424305980.

The spelling of 228146655 in words is "two hundred twenty-eight million, one hundred forty-six thousand, six hundred fifty-five".