225610452 has 72 divisors (see below), whose sum is σ = 588212352. Its totient is φ = 72878400.

The previous prime is 225610447. The next prime is 225610471. The reversal of 225610452 is 254016522.

225610452 is a `hidden beast` number, since 2 + 2 + 5 + 610 + 45 + 2 = 666.

225610452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 155193 + ... + 156639.

It is an arithmetic number, because the mean of its divisors is an integer number (8169616).

Almost surely, 2^225610452 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 225610452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294106176).

225610452 is an abundant number, since it is smaller than the sum of its proper divisors (362601900).

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

225610452 is a wasteful number, since it uses less digits than its factorization.

225610452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1589 (or 1584 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 225610452 is about 15020.3346167787. The cubic root of 225610452 is about 608.7697609772.

Adding to 225610452 its reverse (254016522), we get a palindrome (479626974).

The spelling of 225610452 in words is "two hundred twenty-five million, six hundred ten thousand, four hundred fifty-two".