444228441 has 4 divisors (see below), whose sum is σ = 592304592. Its totient is φ = 296152292.

The previous prime is 444228437. The next prime is 444228497. The reversal of 444228441 is 144822444.

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 444228441 - 2² = 444228437 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (444228431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74038071 + ... + 74038076.

It is an arithmetic number, because the mean of its divisors is an integer number (148076148).

Almost surely, 2^444228441 is an apocalyptic number.

It is an amenable number.

444228441 is a deficient number, since it is larger than the sum of its proper divisors (148076151).

444228441 is a wasteful number, since it uses less digits than its factorization.

444228441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148076150.

The product of its digits is 32768, while the sum is 33.

The square root of 444228441 is about 21076.7274736853. The cubic root of 444228441 is about 763.0191772253.

The spelling of 444228441 in words is "four hundred forty-four million, two hundred twenty-eight thousand, four hundred forty-one".