225432912 has 40 divisors (see below), whose sum is σ = 585961504. Its totient is φ = 74680704.

The previous prime is 225432901. The next prime is 225432919. The reversal of 225432912 is 219234522.

It is a self number, because there is not a number n which added to its sum of digits gives 225432912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225432919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6583 + ... + 22230.

Almost surely, 2^225432912 is an apocalyptic number.

It is an amenable number.

225432912 is an abundant number, since it is smaller than the sum of its proper divisors (360528592).

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

225432912 is a wasteful number, since it uses less digits than its factorization.

225432912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28987 (or 28981 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 225432912 is about 15014.4234654548. The cubic root of 225432912 is about 608.6100323452.

The spelling of 225432912 in words is "two hundred twenty-five million, four hundred thirty-two thousand, nine hundred twelve".