444225541 has 4 divisors (see below), whose sum is σ = 447167584. Its totient is φ = 441283500.

The previous prime is 444225527. The next prime is 444225557. The reversal of 444225541 is 145522444.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 444225541 - 2¹³ = 444217349 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 (444225571) 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, 1470795 + ... + 1471096.

It is an arithmetic number, because the mean of its divisors is an integer number (111791896).

Almost surely, 2^444225541 is an apocalyptic number.

It is an amenable number.

444225541 is a deficient number, since it is larger than the sum of its proper divisors (2942043).

444225541 is a wasteful number, since it uses less digits than its factorization.

444225541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2942042.

The product of its digits is 25600, while the sum is 31.

The square root of 444225541 is about 21076.6586773141. The cubic root of 444225541 is about 763.0175168480.

Adding to 444225541 its reverse (145522444), we get a palindrome (589747985).

The spelling of 444225541 in words is "four hundred forty-four million, two hundred twenty-five thousand, five hundred forty-one".