228147485 has 8 divisors (see below), whose sum is σ = 274984416. Its totient is φ = 181713040.

The previous prime is 228147481. The next prime is 228147487. The reversal of 228147485 is 584741822.

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

It is not a de Polignac number, because 228147485 - 2² = 228147481 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228147481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99371 + ... + 101640.

It is an arithmetic number, because the mean of its divisors is an integer number (34373052).

Almost surely, 2^228147485 is an apocalyptic number.

It is an amenable number.

228147485 is a deficient number, since it is larger than the sum of its proper divisors (46836931).

228147485 is a wasteful number, since it uses less digits than its factorization.

228147485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201243.

The product of its digits is 143360, while the sum is 41.

The square root of 228147485 is about 15104.5517973888. The cubic root of 228147485 is about 611.0431715901.

The spelling of 228147485 in words is "two hundred twenty-eight million, one hundred forty-seven thousand, four hundred eighty-five".