228563425 has 12 divisors (see below), whose sum is σ = 283910400. Its totient is φ = 182533520.

The previous prime is 228563417. The next prime is 228563437. The reversal of 228563425 is 524365822.

It is not a de Polignac number, because 228563425 - 2³ = 228563417 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7344 + ... + 22606.

It is an arithmetic number, because the mean of its divisors is an integer number (23659200).

Almost surely, 2^228563425 is an apocalyptic number.

228563425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

228563425 is a deficient number, since it is larger than the sum of its proper divisors (55346975).

228563425 is a wasteful number, since it uses less digits than its factorization.

228563425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15872 (or 15867 counting only the distinct ones).

The product of its digits is 115200, while the sum is 37.

The square root of 228563425 is about 15118.3142248069. The cubic root of 228563425 is about 611.4142809481.

The spelling of 228563425 in words is "two hundred twenty-eight million, five hundred sixty-three thousand, four hundred twenty-five".