442304122 has 32 divisors (see below), whose sum is σ = 761467392. Its totient is φ = 191097984.

The previous prime is 442304117. The next prime is 442304131. The reversal of 442304122 is 221403244.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 442304093 and 442304102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20238 + ... + 35974.

It is an arithmetic number, because the mean of its divisors is an integer number (23795856).

Almost surely, 2^442304122 is an apocalyptic number.

442304122 is a deficient number, since it is larger than the sum of its proper divisors (319163270).

442304122 is a wasteful number, since it uses less digits than its factorization.

442304122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15822.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 442304122 is about 21031.0276020931. The cubic root of 442304122 is about 761.9158278305.

Adding to 442304122 its reverse (221403244), we get a palindrome (663707366).

The spelling of 442304122 in words is "four hundred forty-two million, three hundred four thousand, one hundred twenty-two".