225239508 has 96 divisors (see below), whose sum is σ = 634005120. Its totient is φ = 68739840.

The previous prime is 225239467. The next prime is 225239519. The reversal of 225239508 is 805932522.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 191763 + ... + 192933.

It is an arithmetic number, because the mean of its divisors is an integer number (6604220).

Almost surely, 2^225239508 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 225239508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317002560).

225239508 is an abundant number, since it is smaller than the sum of its proper divisors (408765612).

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

225239508 is a wasteful number, since it uses less digits than its factorization.

225239508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334 (or 1326 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 225239508 is about 15007.9814765344. The cubic root of 225239508 is about 608.4359357725.

The spelling of 225239508 in words is "two hundred twenty-five million, two hundred thirty-nine thousand, five hundred eight".