444422865 has 8 divisors (see below), whose sum is σ = 711076608. Its totient is φ = 237025520.

The previous prime is 444422833. The next prime is 444422887. The reversal of 444422865 is 568224444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 444422865 - 2⁵ = 444422833 is a prime.

It is a super-3 number, since 3×444422865³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14814081 + ... + 14814110.

It is an arithmetic number, because the mean of its divisors is an integer number (88884576).

Almost surely, 2^444422865 is an apocalyptic number.

It is an amenable number.

444422865 is a deficient number, since it is larger than the sum of its proper divisors (266653743).

444422865 is a wasteful number, since it uses less digits than its factorization.

444422865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29628199.

The product of its digits is 245760, while the sum is 39.

The square root of 444422865 is about 21081.3392601134. The cubic root of 444422865 is about 763.1304770203.

The spelling of 444422865 in words is "four hundred forty-four million, four hundred twenty-two thousand, eight hundred sixty-five".