228649576 has 16 divisors (see below), whose sum is σ = 438688800. Its totient is φ = 111665904.

The previous prime is 228649549. The next prime is 228649649. The reversal of 228649576 is 675946822.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 331996 + ... + 332683.

It is an arithmetic number, because the mean of its divisors is an integer number (27418050).

Almost surely, 2^228649576 is an apocalyptic number.

It is an amenable number.

228649576 is a deficient number, since it is larger than the sum of its proper divisors (210039224).

228649576 is a wasteful number, since it uses less digits than its factorization.

228649576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664728 (or 664724 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 49.

The square root of 228649576 is about 15121.1631827714. The cubic root of 228649576 is about 611.4910901680.

The spelling of 228649576 in words is "two hundred twenty-eight million, six hundred forty-nine thousand, five hundred seventy-six".