442665022 has 16 divisors (see below), whose sum is σ = 671557392. Its totient is φ = 218819200.

The previous prime is 442665017. The next prime is 442665037. The reversal of 442665022 is 220566244.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196233 + ... + 198475.

It is an arithmetic number, because the mean of its divisors is an integer number (41972337).

Almost surely, 2^442665022 is an apocalyptic number.

442665022 is a deficient number, since it is larger than the sum of its proper divisors (228892370).

442665022 is a wasteful number, since it uses less digits than its factorization.

442665022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3323.

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 442665022 is about 21039.6060324332. The cubic root of 442665022 is about 762.1230010199.

The spelling of 442665022 in words is "four hundred forty-two million, six hundred sixty-five thousand, twenty-two".