44521225 has 12 divisors (see below), whose sum is σ = 63093184. Its totient is φ = 30528720.

The previous prime is 44521151. The next prime is 44521231. The reversal of 44521225 is 52212544.

44521225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 44521225 - 2⁷ = 44521097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 44521225.

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 11 ways as a sum of consecutive naturals, for example, 127029 + ... + 127378.

Almost surely, 2^44521225 is an apocalyptic number.

It is an amenable number.

44521225 is a deficient number, since it is larger than the sum of its proper divisors (18571959).

44521225 is a wasteful number, since it uses less digits than its factorization.

44521225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254424 (or 254419 counting only the distinct ones).

The product of its digits is 3200, while the sum is 25.

The square root of 44521225 is about 6672.4227234191. The cubic root of 44521225 is about 354.4233844997.

Adding to 44521225 its reverse (52212544), we get a palindrome (96733769).

It can be divided in two parts, 44521 and 225, that multiplied together give a square (10017225 = 3165²).

The spelling of 44521225 in words is "forty-four million, five hundred twenty-one thousand, two hundred twenty-five".