228024225 has 144 divisors (see below), whose sum is σ = 506425920. Its totient is φ = 96422400.

The previous prime is 228024197. The next prime is 228024287. The reversal of 228024225 is 522420822.

It is not a de Polignac number, because 228024225 - 2¹¹ = 228022177 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 143 ways as a sum of consecutive naturals, for example, 611139 + ... + 611511.

Almost surely, 2^228024225 is an apocalyptic number.

228024225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

228024225 is an abundant number, since it is smaller than the sum of its proper divisors (278401695).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228024225 is a wasteful number, since it uses less digits than its factorization.

228024225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432 (or 424 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 228024225 is about 15100.4710191437. The cubic root of 228024225 is about 610.9331101108.

The spelling of 228024225 in words is "two hundred twenty-eight million, twenty-four thousand, two hundred twenty-five".