225532446 has 8 divisors (see below), whose sum is σ = 451064904. Its totient is φ = 75177480.

The previous prime is 225532441. The next prime is 225532453. The reversal of 225532446 is 644235522.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

225532446 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225532441) 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, 18794365 + ... + 18794376.

It is an arithmetic number, because the mean of its divisors is an integer number (56383113).

Almost surely, 2^225532446 is an apocalyptic number.

225532446 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

225532446 is a wasteful number, since it uses less digits than its factorization.

225532446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37588746.

The product of its digits is 57600, while the sum is 33.

The square root of 225532446 is about 15017.7377124519. The cubic root of 225532446 is about 608.6995911075.

Adding to 225532446 its reverse (644235522), we get a palindrome (869767968).

The spelling of 225532446 in words is "two hundred twenty-five million, five hundred thirty-two thousand, four hundred forty-six".