44975221 has 4 divisors (see below), whose sum is σ = 45096172. Its totient is φ = 44854272.

The previous prime is 44975213. The next prime is 44975269. The reversal of 44975221 is 12257944.

44975221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13176900 + 31798321 = 3630^2 + 5639^2 .

It is a cyclic number.

It is not a de Polignac number, because 44975221 - 2³ = 44975213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44975321) by changing a digit.

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, 59916 + ... + 60661.

It is an arithmetic number, because the mean of its divisors is an integer number (11274043).

Almost surely, 2^44975221 is an apocalyptic number.

It is an amenable number.

44975221 is a deficient number, since it is larger than the sum of its proper divisors (120951).

44975221 is a wasteful number, since it uses less digits than its factorization.

44975221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120950.

The product of its digits is 20160, while the sum is 34.

The square root of 44975221 is about 6706.3567605668. The cubic root of 44975221 is about 355.6240323443.

The spelling of 44975221 in words is "forty-four million, nine hundred seventy-five thousand, two hundred twenty-one".