228135655 has 8 divisors (see below), whose sum is σ = 298650384. Its totient is φ = 165916800.

The previous prime is 228135629. The next prime is 228135749. The reversal of 228135655 is 556531822.

It is a happy number.

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

It is not a de Polignac number, because 228135655 - 2¹⁵ = 228102887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2073906 + ... + 2074015.

It is an arithmetic number, because the mean of its divisors is an integer number (37331298).

Almost surely, 2^228135655 is an apocalyptic number.

228135655 is a deficient number, since it is larger than the sum of its proper divisors (70514729).

228135655 is a wasteful number, since it uses less digits than its factorization.

228135655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4147937.

The product of its digits is 72000, while the sum is 37.

The square root of 228135655 is about 15104.1601885044. The cubic root of 228135655 is about 611.0326100512.

The spelling of 228135655 in words is "two hundred twenty-eight million, one hundred thirty-five thousand, six hundred fifty-five".