444443003221 has 8 divisors (see below), whose sum is σ = 508827545280. Its totient is φ = 380281632288.

The previous prime is 444443003203. The next prime is 444443003233. The reversal of 444443003221 is 122300344444.

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

It is a cyclic number.

It is not a de Polignac number, because 444443003221 - 2⁷ = 444443003093 is a prime.

It is a super-2 number, since 2×444443003221² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444443007221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55788511 + ... + 55796476.

It is an arithmetic number, because the mean of its divisors is an integer number (63603443160).

Almost surely, 2^444443003221 is an apocalyptic number.

It is an amenable number.

444443003221 is a deficient number, since it is larger than the sum of its proper divisors (64384542059).

444443003221 is a wasteful number, since it uses less digits than its factorization.

444443003221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111585563.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 444443003221 its reverse (122300344444), we get a palindrome (566743347665).

The spelling of 444443003221 in words is "four hundred forty-four billion, four hundred forty-three million, three thousand, two hundred twenty-one".