228855485 has 16 divisors (see below), whose sum is σ = 286917120. Its totient is φ = 175033920.

The previous prime is 228855467. The next prime is 228855493. The reversal of 228855485 is 584558822.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-228855485 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3971 + ... + 21759.

It is an arithmetic number, because the mean of its divisors is an integer number (17932320).

Almost surely, 2^228855485 is an apocalyptic number.

It is an amenable number.

228855485 is a deficient number, since it is larger than the sum of its proper divisors (58061635).

228855485 is a wasteful number, since it uses less digits than its factorization.

228855485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17908.

The product of its digits is 1024000, while the sum is 47.

The square root of 228855485 is about 15127.9702868561. The cubic root of 228855485 is about 611.6745933022.

The spelling of 228855485 in words is "two hundred twenty-eight million, eight hundred fifty-five thousand, four hundred eighty-five".