225184544 has 24 divisors (see below), whose sum is σ = 477435420. Its totient is φ = 103931136.

The previous prime is 225184541. The next prime is 225184591. The reversal of 225184544 is 445481522.

It can be written as a sum of positive squares in 2 ways, for example, as 186595600 + 38588944 = 13660^2 + 6212^2 .

It is not an unprimeable number, because it can be changed into a prime (225184541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270239 + ... + 271070.

Almost surely, 2^225184544 is an apocalyptic number.

It is an amenable number.

225184544 is an abundant number, since it is smaller than the sum of its proper divisors (252250876).

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

225184544 is a wasteful number, since it uses less digits than its factorization.

225184544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541332 (or 541324 counting only the distinct ones).

The product of its digits is 51200, while the sum is 35.

The square root of 225184544 is about 15006.1502058323. The cubic root of 225184544 is about 608.3864406171.

The spelling of 225184544 in words is "two hundred twenty-five million, one hundred eighty-four thousand, five hundred forty-four".