225465044 has 48 divisors (see below), whose sum is σ = 477259776. Its totient is φ = 91106400.

The previous prime is 225465041. The next prime is 225465073. The reversal of 225465044 is 440564522.

It is a self number, because there is not a number n which added to its sum of digits gives 225465044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225465041) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 43259 + ... + 48189.

It is an arithmetic number, because the mean of its divisors is an integer number (9942912).

Almost surely, 2^225465044 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 225465044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238629888).

225465044 is an abundant number, since it is smaller than the sum of its proper divisors (251794732).

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

225465044 is a wasteful number, since it uses less digits than its factorization.

225465044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5036 (or 5034 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

The square root of 225465044 is about 15015.4934650847. The cubic root of 225465044 is about 608.6389469764.

The spelling of 225465044 in words is "two hundred twenty-five million, four hundred sixty-five thousand, forty-four".