5440225 has 18 divisors (see below), whose sum is σ = 7849014. Its totient is φ = 3729600.

The previous prime is 5440223. The next prime is 5440229. The reversal of 5440225 is 5220445.

It can be written as a sum of positive squares in 3 ways, for example, as 200704 + 5239521 = 448^2 + 2289^2 .

It is not a de Polignac number, because 5440225 - 2¹ = 5440223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5440196 and 5440205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5440223) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 996 + ... + 3445.

Almost surely, 2^5440225 is an apocalyptic number.

It is an amenable number.

5440225 is a deficient number, since it is larger than the sum of its proper divisors (2408789).

5440225 is a wasteful number, since it uses less digits than its factorization.

5440225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4465 (or 4453 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 5440225 is about 2332.4289914165. The cubic root of 5440225 is about 175.8756115751.

It can be divided in two parts, 5440 and 225, that added together give a palindrome (5665).

The spelling of 5440225 in words is "five million, four hundred forty thousand, two hundred twenty-five".