444532223 has 4 divisors (see below), whose sum is σ = 444718560. Its totient is φ = 444345888.

The previous prime is 444532181. The next prime is 444532229. The reversal of 444532223 is 322235444.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 444532223 - 2¹⁴ = 444515839 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 (444532229) 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, 89543 + ... + 94376.

It is an arithmetic number, because the mean of its divisors is an integer number (111179640).

Almost surely, 2^444532223 is an apocalyptic number.

444532223 is a deficient number, since it is larger than the sum of its proper divisors (186337).

444532223 is a wasteful number, since it uses less digits than its factorization.

444532223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186336.

The product of its digits is 23040, while the sum is 29.

The square root of 444532223 is about 21083.9328162466. The cubic root of 444532223 is about 763.1930657431.

Adding to 444532223 its reverse (322235444), we get a palindrome (766767667).

The spelling of 444532223 in words is "four hundred forty-four million, five hundred thirty-two thousand, two hundred twenty-three".