228845425 has 24 divisors (see below), whose sum is σ = 289535040. Its totient is φ = 179390400.

The previous prime is 228845417. The next prime is 228845473. The reversal of 228845425 is 524548822.

It is not a de Polignac number, because 228845425 - 2³ = 228845417 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

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 23 ways as a sum of consecutive naturals, for example, 406194 + ... + 406756.

It is an arithmetic number, because the mean of its divisors is an integer number (12063960).

Almost surely, 2^228845425 is an apocalyptic number.

228845425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

228845425 is a deficient number, since it is larger than the sum of its proper divisors (60689615).

228845425 is a wasteful number, since it uses less digits than its factorization.

228845425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873 (or 868 counting only the distinct ones).

The product of its digits is 204800, while the sum is 40.

The square root of 228845425 is about 15127.6377865151. The cubic root of 228845425 is about 611.6656305331.

The spelling of 228845425 in words is "two hundred twenty-eight million, eight hundred forty-five thousand, four hundred twenty-five".