225232404 has 24 divisors (see below), whose sum is σ = 535459680. Its totient is φ = 73660704.

The previous prime is 225232367. The next prime is 225232421. The reversal of 225232404 is 404232522.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176434 + ... + 177705.

It is an arithmetic number, because the mean of its divisors is an integer number (22310820).

Almost surely, 2^225232404 is an apocalyptic number.

It is an amenable number.

225232404 is an abundant number, since it is smaller than the sum of its proper divisors (310227276).

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

225232404 is a wasteful number, since it uses less digits than its factorization.

225232404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354199 (or 354197 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 225232404 is about 15007.7448006021. The cubic root of 225232404 is about 608.4295390641.

Adding to 225232404 its reverse (404232522), we get a palindrome (629464926).

The spelling of 225232404 in words is "two hundred twenty-five million, two hundred thirty-two thousand, four hundred four".