228512896 has 16 divisors (see below), whose sum is σ = 455240790. Its totient is φ = 114256384.

The previous prime is 228512887. The next prime is 228512897. The reversal of 228512896 is 698215822.

It can be written as a sum of positive squares in only one way, i.e., 117505600 + 111007296 = 10840^2 + 10536^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (228512897) by changing a digit.

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 as a sum of consecutive naturals, namely, 892501 + ... + 892756.

Almost surely, 2^228512896 is an apocalyptic number.

It is an amenable number.

228512896 is a deficient number, since it is larger than the sum of its proper divisors (226727894).

228512896 is an equidigital number, since it uses as much as digits as its factorization.

228512896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1785271 (or 1785259 counting only the distinct ones).

The product of its digits is 138240, while the sum is 43.

The square root of 228512896 is about 15116.6430135794. The cubic root of 228512896 is about 611.3692220779.

The spelling of 228512896 in words is "two hundred twenty-eight million, five hundred twelve thousand, eight hundred ninety-six".