228338450 has 18 divisors (see below), whose sum is σ = 424908351. Its totient is φ = 91292640.

The previous prime is 228338443. The next prime is 228338483. The reversal of 228338450 is 54833822.

It can be written as a sum of positive squares in 5 ways, for example, as 1203409 + 227135041 = 1097^2 + 15071^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=10685.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 228338450.

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 8 ways as a sum of consecutive naturals, for example, 105782 + ... + 107918.

Almost surely, 2^228338450 is an apocalyptic number.

228338450 is a deficient number, since it is larger than the sum of its proper divisors (196569901).

228338450 is an frugal number, since it uses more digits than its factorization.

228338450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4286 (or 2144 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 228338450 is about 15110.8719139565. The cubic root of 228338450 is about 611.2136100495.

The spelling of 228338450 in words is "two hundred twenty-eight million, three hundred thirty-eight thousand, four hundred fifty".