44552221 has 12 divisors (see below), whose sum is σ = 51960288. Its totient is φ = 38088792.

The previous prime is 44552203. The next prime is 44552237. The reversal of 44552221 is 12225544.

44552221 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 44552221 - 2¹⁷ = 44421149 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 (44552251) 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 11 ways as a sum of consecutive naturals, for example, 22930 + ... + 24796.

It is an arithmetic number, because the mean of its divisors is an integer number (4330024).

Almost surely, 2^44552221 is an apocalyptic number.

It is an amenable number.

44552221 is a deficient number, since it is larger than the sum of its proper divisors (7408067).

44552221 is a wasteful number, since it uses less digits than its factorization.

44552221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2368 (or 2361 counting only the distinct ones).

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

The square root of 44552221 is about 6674.7450138563. The cubic root of 44552221 is about 354.5056161302.

Adding to 44552221 its reverse (12225544), we get a palindrome (56777765).

The spelling of 44552221 in words is "forty-four million, five hundred fifty-two thousand, two hundred twenty-one".