228605448 has 16 divisors (see below), whose sum is σ = 571513680. Its totient is φ = 76201808.

The previous prime is 228605411. The next prime is 228605449. The reversal of 228605448 is 844506822.

It is not an unprimeable number, because it can be changed into a prime (228605449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4762590 + ... + 4762637.

It is an arithmetic number, because the mean of its divisors is an integer number (35719605).

Almost surely, 2^228605448 is an apocalyptic number.

It is an amenable number.

228605448 is an abundant number, since it is smaller than the sum of its proper divisors (342908232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228605448 is a wasteful number, since it uses less digits than its factorization.

228605448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9525236 (or 9525232 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 39.

The square root of 228605448 is about 15119.7039653559. The cubic root of 228605448 is about 611.4517495965.

The spelling of 228605448 in words is "two hundred twenty-eight million, six hundred five thousand, four hundred forty-eight".