228413625 has 32 divisors (see below), whose sum is σ = 414640512. Its totient is φ = 110744000.

The previous prime is 228413597. The next prime is 228413629. The reversal of 228413625 is 526314822.

It is not a de Polignac number, because 228413625 - 2¹⁰ = 228412601 is a prime.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228413629) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23562 + ... + 31811.

It is an arithmetic number, because the mean of its divisors is an integer number (12957516).

Almost surely, 2^228413625 is an apocalyptic number.

228413625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

228413625 is a deficient number, since it is larger than the sum of its proper divisors (186226887).

228413625 is a wasteful number, since it uses less digits than its factorization.

228413625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55402 (or 55392 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 228413625 is about 15113.3591567196. The cubic root of 228413625 is about 611.2806785343.

The spelling of 228413625 in words is "two hundred twenty-eight million, four hundred thirteen thousand, six hundred twenty-five".