228025 has 12 divisors (see below), whose sum is σ = 323392. Its totient is φ = 156240.

The previous prime is 228023. The next prime is 228049. The reversal of 228025 is 520822.

It is not a de Polignac number, because 228025 - 2¹ = 228023 is a prime.

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 227993 and 228011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 477 + ... + 826.

2²²⁸⁰²⁵ is an apocalyptic number.

228025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

228025 is a deficient number, since it is larger than the sum of its proper divisors (95367).

228025 is a wasteful number, since it uses less digits than its factorization.

228025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1320 (or 1315 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 228025 is about 477.5196331042. The cubic root of 228025 is about 61.0933802249.

Adding to 228025 its reverse (520822), we get a palindrome (748847).

The spelling of 228025 in words is "two hundred twenty-eight thousand, twenty-five".