225844956 has 48 divisors (see below), whose sum is σ = 588021280. Its totient is φ = 74960640.

The previous prime is 225844939. The next prime is 225844961. The reversal of 225844956 is 659448522.

225844956 is a `hidden beast` number, since 22 + 584 + 49 + 5 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21690 + ... + 30366.

Almost surely, 2^225844956 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 225844956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294010640).

225844956 is an abundant number, since it is smaller than the sum of its proper divisors (362176324).

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

225844956 is a wasteful number, since it uses less digits than its factorization.

225844956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8931 (or 8923 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The square root of 225844956 is about 15028.1388069182. The cubic root of 225844956 is about 608.9806104142.

The spelling of 225844956 in words is "two hundred twenty-five million, eight hundred forty-four thousand, nine hundred fifty-six".