225680560 has 40 divisors (see below), whose sum is σ = 599666976. Its totient is φ = 77376000.

The previous prime is 225680551. The next prime is 225680597. The reversal of 225680560 is 65086522.

It is a tau number, because it is divible by the number of its divisors (40).

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, 200941 + ... + 202060.

Almost surely, 2^225680560 is an apocalyptic number.

225680560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225680560 is an abundant number, since it is smaller than the sum of its proper divisors (373986416).

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

225680560 is a wasteful number, since it uses less digits than its factorization.

225680560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403021 (or 403015 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 225680560 is about 15022.6682050826. The cubic root of 225680560 is about 608.8328124447.

The spelling of 225680560 in words is "two hundred twenty-five million, six hundred eighty thousand, five hundred sixty".