225655210 has 64 divisors (see below), whose sum is σ = 471484800. Its totient is φ = 76896000.

The previous prime is 225655187. The next prime is 225655217. The reversal of 225655210 is 12556522.

It is not an unprimeable number, because it can be changed into a prime (225655217) 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, 210556 + ... + 211624.

It is an arithmetic number, because the mean of its divisors is an integer number (7366950).

Almost surely, 2^225655210 is an apocalyptic number.

225655210 is an abundant number, since it is smaller than the sum of its proper divisors (245829590).

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

225655210 is a wasteful number, since it uses less digits than its factorization.

225655210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 225655210 is about 15021.8244564367. The cubic root of 225655210 is about 608.8100154883.

The spelling of 225655210 in words is "two hundred twenty-five million, six hundred fifty-five thousand, two hundred ten".