228025025 has 12 divisors (see below), whose sum is σ = 285396912. Its totient is φ = 180713040.

The previous prime is 228025009. The next prime is 228025081. The reversal of 228025025 is 520520822.

It is a happy number.

228025025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 228025025 - 2⁴ = 228025009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 228024985 and 228025003.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39947 + ... + 45296.

It is an arithmetic number, because the mean of its divisors is an integer number (23783076).

Almost surely, 2^228025025 is an apocalyptic number.

228025025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

228025025 is a deficient number, since it is larger than the sum of its proper divisors (57371887).

228025025 is a wasteful number, since it uses less digits than its factorization.

228025025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85360 (or 85355 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 228025025 is about 15100.4975083604. The cubic root of 228025025 is about 610.9338245757.

Adding to 228025025 its reverse (520520822), we get a palindrome (748545847).

The spelling of 228025025 in words is "two hundred twenty-eight million, twenty-five thousand, twenty-five".