442422243213 has 16 divisors (see below), whose sum is σ = 592265216256. Its totient is φ = 293764423680.

The previous prime is 442422243203. The next prime is 442422243301. The reversal of 442422243213 is 312342224244.

It is a happy number.

It is not a de Polignac number, because 442422243213 - 2⁵ = 442422243181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442422243203) 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, 2463645 + ... + 2637117.

It is an arithmetic number, because the mean of its divisors is an integer number (37016576016).

Almost surely, 2^442422243213 is an apocalyptic number.

It is an amenable number.

442422243213 is a deficient number, since it is larger than the sum of its proper divisors (149842973043).

442422243213 is a wasteful number, since it uses less digits than its factorization.

442422243213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176884.

The product of its digits is 73728, while the sum is 33.

Adding to 442422243213 its reverse (312342224244), we get a palindrome (754764467457).

The spelling of 442422243213 in words is "four hundred forty-two billion, four hundred twenty-two million, two hundred forty-three thousand, two hundred thirteen".