228746625 has 16 divisors (see below), whose sum is σ = 380635008. Its totient is φ = 121998000.

The previous prime is 228746579. The next prime is 228746641. The reversal of 228746625 is 526647822.

It is not a de Polignac number, because 228746625 - 2¹¹ = 228744577 is a prime.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 304621 + ... + 305370.

It is an arithmetic number, because the mean of its divisors is an integer number (23789688).

Almost surely, 2^228746625 is an apocalyptic number.

228746625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

228746625 is a deficient number, since it is larger than the sum of its proper divisors (151888383).

228746625 is an equidigital number, since it uses as much as digits as its factorization.

228746625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610009 (or 609999 counting only the distinct ones).

The product of its digits is 322560, while the sum is 42.

The square root of 228746625 is about 15124.3718877843. The cubic root of 228746625 is about 611.5775925583.

The spelling of 228746625 in words is "two hundred twenty-eight million, seven hundred forty-six thousand, six hundred twenty-five".