442243333 has 16 divisors (see below), whose sum is σ = 528374016. Its totient is φ = 361912320.

The previous prime is 442243331. The next prime is 442243367. The reversal of 442243333 is 333342244.

It is not a de Polignac number, because 442243333 - 2¹ = 442243331 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 (442243331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96453 + ... + 100933.

It is an arithmetic number, because the mean of its divisors is an integer number (33023376).

Almost surely, 2^442243333 is an apocalyptic number.

It is an amenable number.

442243333 is a deficient number, since it is larger than the sum of its proper divisors (86130683).

442243333 is a wasteful number, since it uses less digits than its factorization.

442243333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5124.

The product of its digits is 20736, while the sum is 28.

The square root of 442243333 is about 21029.5823306123. The cubic root of 442243333 is about 761.8809210616.

Adding to 442243333 its reverse (333342244), we get a palindrome (775585577).

The spelling of 442243333 in words is "four hundred forty-two million, two hundred forty-three thousand, three hundred thirty-three".