442301034221 has 8 divisors (see below), whose sum is σ = 450951641400. Its totient is φ = 433720472832.

The previous prime is 442301034193. The next prime is 442301034271. The reversal of 442301034221 is 122430103244.

It can be written as a sum of positive squares in 4 ways, for example, as 189563581321 + 252737452900 = 435389^2 + 502730^2 .

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 442301034221 - 2¹⁰ = 442301033197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442301034271) 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, 17498696 + ... + 17523953.

It is an arithmetic number, because the mean of its divisors is an integer number (56368955175).

Almost surely, 2^442301034221 is an apocalyptic number.

It is an amenable number.

442301034221 is a deficient number, since it is larger than the sum of its proper divisors (8650607179).

442301034221 is a wasteful number, since it uses less digits than its factorization.

442301034221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35022895.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 442301034221 its reverse (122430103244), we get a palindrome (564731137465).

The spelling of 442301034221 in words is "four hundred forty-two billion, three hundred one million, thirty-four thousand, two hundred twenty-one".