444705223 has 4 divisors (see below), whose sum is σ = 445979800. Its totient is φ = 443430648.

The previous prime is 444705221. The next prime is 444705259. The reversal of 444705223 is 322507444.

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 444705223 - 2¹ = 444705221 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 (444705221) 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, 636765 + ... + 637462.

It is an arithmetic number, because the mean of its divisors is an integer number (111494950).

Almost surely, 2^444705223 is an apocalyptic number.

444705223 is a deficient number, since it is larger than the sum of its proper divisors (1274577).

444705223 is a wasteful number, since it uses less digits than its factorization.

444705223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274576.

The product of its (nonzero) digits is 26880, while the sum is 31.

The square root of 444705223 is about 21088.0350673077. The cubic root of 444705223 is about 763.2920576492.

The spelling of 444705223 in words is "four hundred forty-four million, seven hundred five thousand, two hundred twenty-three".