225733616 has 40 divisors (see below), whose sum is σ = 464595264. Its totient is φ = 105881600.

The previous prime is 225733603. The next prime is 225733631. The reversal of 225733616 is 616337522.

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, 94841 + ... + 97191.

Almost surely, 2^225733616 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 225733616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232297632).

225733616 is an abundant number, since it is smaller than the sum of its proper divisors (238861648).

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

225733616 is a wasteful number, since it uses less digits than its factorization.

225733616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2729 (or 2723 counting only the distinct ones).

The product of its digits is 45360, while the sum is 35.

The square root of 225733616 is about 15024.4339660434. The cubic root of 225733616 is about 608.8805195559.

The spelling of 225733616 in words is "two hundred twenty-five million, seven hundred thirty-three thousand, six hundred sixteen".