444221432333 has 6 divisors (see below), whose sum is σ = 516747380526. Its totient is φ = 380761227672.

The previous prime is 444221432273. The next prime is 444221432399. The reversal of 444221432333 is 333234122444.

It can be written as a sum of positive squares in only one way, i.e., 427216489924 + 17004942409 = 653618^2 + 130403^2 .

It is not a de Polignac number, because 444221432333 - 2²² = 444217238029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 444221432293 and 444221432302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444221432833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4532871710 + ... + 4532871807.

It is an arithmetic number, because the mean of its divisors is an integer number (86124563421).

Almost surely, 2^444221432333 is an apocalyptic number.

It is an amenable number.

444221432333 is a deficient number, since it is larger than the sum of its proper divisors (72525948193).

444221432333 is an equidigital number, since it uses as much as digits as its factorization.

444221432333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9065743531 (or 9065743524 counting only the distinct ones).

The product of its digits is 165888, while the sum is 35.

Adding to 444221432333 its reverse (333234122444), we get a palindrome (777455554777).

The spelling of 444221432333 in words is "four hundred forty-four billion, two hundred twenty-one million, four hundred thirty-two thousand, three hundred thirty-three".