44215025 has 12 divisors (see below), whose sum is σ = 55394892. Its totient is φ = 35005440.

The previous prime is 44215019. The next prime is 44215043. The reversal of 44215025 is 52051244.

It is a happy number.

44215025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 430336 + 43784689 = 656^2 + 6617^2 .

It is not a de Polignac number, because 44215025 - 2¹⁴ = 44198641 is a prime.

It is a Duffinian 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 11 ways as a sum of consecutive naturals, for example, 6692 + ... + 11541.

It is an arithmetic number, because the mean of its divisors is an integer number (4616241).

Almost surely, 2^44215025 is an apocalyptic number.

It is an amenable number.

44215025 is a deficient number, since it is larger than the sum of its proper divisors (11179867).

44215025 is a wasteful number, since it uses less digits than its factorization.

44215025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18340 (or 18335 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 44215025 is about 6649.4379461726. The cubic root of 44215025 is about 353.6089849865.

Adding to 44215025 its reverse (52051244), we get a palindrome (96266269).

The spelling of 44215025 in words is "forty-four million, two hundred fifteen thousand, twenty-five".