225670660 has 24 divisors (see below), whose sum is σ = 480586176. Its totient is φ = 88996320.

The previous prime is 225670649. The next prime is 225670681. The reversal of 225670660 is 66076522.

It is a happy number.

225670660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78042 + ... + 80881.

It is an arithmetic number, because the mean of its divisors is an integer number (20024424).

Almost surely, 2^225670660 is an apocalyptic number.

225670660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225670660 is an abundant number, since it is smaller than the sum of its proper divisors (254915516).

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

225670660 is a wasteful number, since it uses less digits than its factorization.

225670660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159003 (or 159001 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 225670660 is about 15022.3386994169. The cubic root of 225670660 is about 608.8239096945.

The spelling of 225670660 in words is "two hundred twenty-five million, six hundred seventy thousand, six hundred sixty".