444622163 has 4 divisors (see below), whose sum is σ = 455466648. Its totient is φ = 433777680.

The previous prime is 444622127. The next prime is 444622169. The reversal of 444622163 is 361226444.

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 444622163 - 2¹⁰ = 444621139 is a prime.

It is a super-3 number, since 3×444622163³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444622169) 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, 5422181 + ... + 5422262.

It is an arithmetic number, because the mean of its divisors is an integer number (113866662).

Almost surely, 2^444622163 is an apocalyptic number.

444622163 is a deficient number, since it is larger than the sum of its proper divisors (10844485).

444622163 is a wasteful number, since it uses less digits than its factorization.

444622163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10844484.

The product of its digits is 27648, while the sum is 32.

The square root of 444622163 is about 21086.0656121525. The cubic root of 444622163 is about 763.2445332948.

The spelling of 444622163 in words is "four hundred forty-four million, six hundred twenty-two thousand, one hundred sixty-three".