442282206521606 has 48 divisors (see below), whose sum is σ = 731879713921104. Its totient is φ = 200303515104000.

The previous prime is 442282206521593. The next prime is 442282206521609. The reversal of 442282206521606 is 606125602282244.

It is a super-2 number, since 2×442282206521606² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442282206521609) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 753372746 + ... + 753959586.

It is an arithmetic number, because the mean of its divisors is an integer number (15247494040023).

Almost surely, 2^{442282206521606} is an apocalyptic number.

442282206521606 is a deficient number, since it is larger than the sum of its proper divisors (289597507399498).

442282206521606 is a wasteful number, since it uses less digits than its factorization.

442282206521606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598229 (or 598218 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 50.

The spelling of 442282206521606 in words is "four hundred forty-two trillion, two hundred eighty-two billion, two hundred six million, five hundred twenty-one thousand, six hundred six".