442806122 has 16 divisors (see below), whose sum is σ = 725583744. Its totient is φ = 201000000.

The previous prime is 442806107. The next prime is 442806127. The reversal of 442806122 is 221608244.

It is not an unprimeable number, because it can be changed into a prime (442806127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3122 + ... + 29922.

It is an arithmetic number, because the mean of its divisors is an integer number (45348984).

Almost surely, 2^442806122 is an apocalyptic number.

442806122 is a deficient number, since it is larger than the sum of its proper divisors (282777622).

442806122 is a wasteful number, since it uses less digits than its factorization.

442806122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27565.

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 442806122 is about 21042.9589649365. The cubic root of 442806122 is about 762.2039682875.

The spelling of 442806122 in words is "four hundred forty-two million, eight hundred six thousand, one hundred twenty-two".