228493456 has 15 divisors (see below), whose sum is σ = 442823251. Its totient is φ = 114216496.

The previous prime is 228493453. The next prime is 228493483. The reversal of 228493456 is 654394822.

The square root of 228493456 is 15116.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228493453) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 58575 + ... + 62353.

Almost surely, 2^228493456 is an apocalyptic number.

228493456 is the 15116-th square number.

It is an amenable number.

228493456 is a deficient number, since it is larger than the sum of its proper divisors (214329795).

228493456 is an frugal number, since it uses more digits than its factorization.

228493456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7566 (or 3781 counting only the distinct ones).

The product of its digits is 414720, while the sum is 43.

The cubic root of 228493456 is about 611.3518848292.

The spelling of 228493456 in words is "two hundred twenty-eight million, four hundred ninety-three thousand, four hundred fifty-six".