442232232243 has 16 divisors (see below), whose sum is σ = 591081472800. Its totient is φ = 294102947840.

The previous prime is 442232232173. The next prime is 442232232263. The reversal of 442232232243 is 342232232244.

It is a cyclic number.

It is not a de Polignac number, because 442232232243 - 2⁹ = 442232231731 is a prime.

It is a super-2 number, since 2×442232232243² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (442232232263) 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, 2440603 + ... + 2615531.

It is an arithmetic number, because the mean of its divisors is an integer number (36942592050).

Almost surely, 2^442232232243 is an apocalyptic number.

442232232243 is a deficient number, since it is larger than the sum of its proper divisors (148849240557).

442232232243 is a wasteful number, since it uses less digits than its factorization.

442232232243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176982.

The product of its digits is 110592, while the sum is 33.

Adding to 442232232243 its reverse (342232232244), we get a palindrome (784464464487).

Subtracting from 442232232243 its reverse (342232232244), we obtain a palindrome (99999999999).

The spelling of 442232232243 in words is "four hundred forty-two billion, two hundred thirty-two million, two hundred thirty-two thousand, two hundred forty-three".