228144255 has 8 divisors (see below), whose sum is σ = 365030832. Its totient is φ = 121676928.

The previous prime is 228144173. The next prime is 228144281. The reversal of 228144255 is 552441822.

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

It is not a de Polignac number, because 228144255 - 2¹³ = 228136063 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7604794 + ... + 7604823.

It is an arithmetic number, because the mean of its divisors is an integer number (45628854).

Almost surely, 2^228144255 is an apocalyptic number.

228144255 is a deficient number, since it is larger than the sum of its proper divisors (136886577).

228144255 is a wasteful number, since it uses less digits than its factorization.

228144255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15209625.

The product of its digits is 25600, while the sum is 33.

The square root of 228144255 is about 15104.4448755987. Note that the first 3 decimals coincide. The cubic root of 228144255 is about 611.0402879602.

The spelling of 228144255 in words is "two hundred twenty-eight million, one hundred forty-four thousand, two hundred fifty-five".