225486912 has 224 divisors, whose sum is σ = 737372160. Its totient is φ = 59351040.

The previous prime is 225486887. The next prime is 225486913. The reversal of 225486912 is 219684522.

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225486913) 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, 1622139 + ... + 1622277.

It is an arithmetic number, because the mean of its divisors is an integer number (3291840).

Almost surely, 2^225486912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225486912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (368686080).

225486912 is an abundant number, since it is smaller than the sum of its proper divisors (511885248).

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

225486912 is a wasteful number, since it uses less digits than its factorization.

225486912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249 (or 239 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 225486912 is about 15016.2216286255. The cubic root of 225486912 is about 608.6586237682.

The spelling of 225486912 in words is "two hundred twenty-five million, four hundred eighty-six thousand, nine hundred twelve".