228463648 has 24 divisors (see below), whose sum is σ = 514043712. Its totient is φ = 97912896.

The previous prime is 228463621. The next prime is 228463661. The reversal of 228463648 is 846364822.

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, 509740 + ... + 510187.

It is an arithmetic number, because the mean of its divisors is an integer number (21418488).

Almost surely, 2^228463648 is an apocalyptic number.

228463648 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

228463648 is an abundant number, since it is smaller than the sum of its proper divisors (285580064).

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

228463648 is a wasteful number, since it uses less digits than its factorization.

228463648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019944 (or 1019936 counting only the distinct ones).

The product of its digits is 442368, while the sum is 43.

The square root of 228463648 is about 15115.0139927160. The cubic root of 228463648 is about 611.3252991379.

The spelling of 228463648 in words is "two hundred twenty-eight million, four hundred sixty-three thousand, six hundred forty-eight".