228048136 has 32 divisors (see below), whose sum is σ = 437840640. Its totient is φ = 111303808.

The previous prime is 228048113. The next prime is 228048173. The reversal of 228048136 is 631840822.

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, 231501 + ... + 232483.

It is an arithmetic number, because the mean of its divisors is an integer number (13682520).

Almost surely, 2^228048136 is an apocalyptic number.

It is an amenable number.

228048136 is a deficient number, since it is larger than the sum of its proper divisors (209792504).

228048136 is a wasteful number, since it uses less digits than its factorization.

228048136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1653 (or 1649 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 228048136 is about 15101.2627286595. The cubic root of 228048136 is about 610.9544638522.

Adding to 228048136 its reverse (631840822), we get a palindrome (859888958).

The spelling of 228048136 in words is "two hundred twenty-eight million, forty-eight thousand, one hundred thirty-six".