225945672 has 16 divisors (see below), whose sum is σ = 564864240. Its totient is φ = 75315216.

The previous prime is 225945661. The next prime is 225945673. The reversal of 225945672 is 276549522.

225945672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (225945673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4707178 + ... + 4707225.

It is an arithmetic number, because the mean of its divisors is an integer number (35304015).

Almost surely, 2^225945672 is an apocalyptic number.

It is an amenable number.

225945672 is an abundant number, since it is smaller than the sum of its proper divisors (338918568).

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

225945672 is a wasteful number, since it uses less digits than its factorization.

225945672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9414412 (or 9414408 counting only the distinct ones).

The product of its digits is 302400, while the sum is 42.

The square root of 225945672 is about 15031.4893473667. The cubic root of 225945672 is about 609.0711223258.

The spelling of 225945672 in words is "two hundred twenty-five million, nine hundred forty-five thousand, six hundred seventy-two".