225744464 has 20 divisors (see below), whose sum is σ = 477142080. Its totient is φ = 102611040.

The previous prime is 225744457. The next prime is 225744481. The reversal of 225744464 is 464447522.

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 3 ways as a sum of consecutive naturals, for example, 641144 + ... + 641495.

It is an arithmetic number, because the mean of its divisors is an integer number (23857104).

Almost surely, 2^225744464 is an apocalyptic number.

It is an amenable number.

225744464 is an abundant number, since it is smaller than the sum of its proper divisors (251397616).

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

225744464 is a wasteful number, since it uses less digits than its factorization.

225744464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282658 (or 1282652 counting only the distinct ones).

The product of its digits is 215040, while the sum is 38.

The square root of 225744464 is about 15024.7949736427. The cubic root of 225744464 is about 608.8902729844.

The spelling of 225744464 in words is "two hundred twenty-five million, seven hundred forty-four thousand, four hundred sixty-four".