225859860 has 48 divisors (see below), whose sum is σ = 702676800. Its totient is φ = 60229152.

The previous prime is 225859853. The next prime is 225859891. The reversal of 225859860 is 68958522.

225859860 is a `hidden beast` number, since 2 + 2 + 58 + 598 + 6 + 0 = 666.

225859860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent 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, 208590 + ... + 209669.

It is an arithmetic number, because the mean of its divisors is an integer number (14639100).

Almost surely, 2^225859860 is an apocalyptic number.

225859860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225859860 is an abundant number, since it is smaller than the sum of its proper divisors (476816940).

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

225859860 is a wasteful number, since it uses less digits than its factorization.

225859860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418277 (or 418269 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The square root of 225859860 is about 15028.6346685253. The cubic root of 225859860 is about 608.9940061047.

The spelling of 225859860 in words is "two hundred twenty-five million, eight hundred fifty-nine thousand, eight hundred sixty".