225471072 has 48 divisors (see below), whose sum is σ = 593438832. Its totient is φ = 74956800.

The previous prime is 225471061. The next prime is 225471097. The reversal of 225471072 is 270174522.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

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, 35568 + ... + 41424.

It is an arithmetic number, because the mean of its divisors is an integer number (12363309).

Almost surely, 2^225471072 is an apocalyptic number.

It is an amenable number.

225471072 is an abundant number, since it is smaller than the sum of its proper divisors (367967760).

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

225471072 is a wasteful number, since it uses less digits than its factorization.

225471072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6271 (or 6263 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 225471072 is about 15015.6941897469. The cubic root of 225471072 is about 608.6443710883.

The spelling of 225471072 in words is "two hundred twenty-five million, four hundred seventy-one thousand, seventy-two".