444221432331 has 8 divisors (see below), whose sum is σ = 592332957504. Its totient is φ = 296128764360.

The previous prime is 444221432273. The next prime is 444221432399. The reversal of 444221432331 is 133234122444.

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

It is not a de Polignac number, because 444221432331 - 2¹⁰ = 444221431307 is a prime.

It is a super-2 number, since 2×444221432331² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 444221432292 and 444221432301.

It is not an unprimeable number, because it can be changed into a prime (444221432131) 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 7 ways as a sum of consecutive naturals, for example, 4659241 + ... + 4753626.

It is an arithmetic number, because the mean of its divisors is an integer number (74041619688).

Almost surely, 2^444221432331 is an apocalyptic number.

444221432331 is a deficient number, since it is larger than the sum of its proper divisors (148111525173).

444221432331 is a wasteful number, since it uses less digits than its factorization.

444221432331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9428601.

The product of its digits is 55296, while the sum is 33.

Adding to 444221432331 its reverse (133234122444), we get a palindrome (577455554775).

The spelling of 444221432331 in words is "four hundred forty-four billion, two hundred twenty-one million, four hundred thirty-two thousand, three hundred thirty-one".