228344456 has 16 divisors (see below), whose sum is σ = 428339340. Its totient is φ = 114120640.

The previous prime is 228344447. The next prime is 228344477. The reversal of 228344456 is 654443822.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 212868100 + 15476356 = 14590^2 + 3934^2 .

It is an unprimeable number.

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, 17666 + ... + 27726.

Almost surely, 2^228344456 is an apocalyptic number.

It is an amenable number.

228344456 is a deficient number, since it is larger than the sum of its proper divisors (199994884).

228344456 is a wasteful number, since it uses less digits than its factorization.

228344456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12904 (or 12900 counting only the distinct ones).

The product of its digits is 184320, while the sum is 38.

The square root of 228344456 is about 15111.0706437367. The cubic root of 228344456 is about 611.2189689319.

The spelling of 228344456 in words is "two hundred twenty-eight million, three hundred forty-four thousand, four hundred fifty-six".