442216106 has 8 divisors (see below), whose sum is σ = 665236800. Its totient is φ = 220470508.

The previous prime is 442216081. The next prime is 442216109. The reversal of 442216106 is 601612244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (442216109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317906 + ... + 319293.

It is an arithmetic number, because the mean of its divisors is an integer number (83154600).

Almost surely, 2^442216106 is an apocalyptic number.

442216106 is a deficient number, since it is larger than the sum of its proper divisors (223020694).

442216106 is a wasteful number, since it uses less digits than its factorization.

442216106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637548.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 442216106 is about 21028.9349706541. The cubic root of 442216106 is about 761.8652855083.

The spelling of 442216106 in words is "four hundred forty-two million, two hundred sixteen thousand, one hundred six".