442332242 has 32 divisors (see below), whose sum is σ = 753020928. Its totient is φ = 193050000.

The previous prime is 442332221. The next prime is 442332257. The reversal of 442332242 is 242233244.

It is a happy number.

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, 86867 + ... + 91817.

It is an arithmetic number, because the mean of its divisors is an integer number (23531904).

Almost surely, 2^442332242 is an apocalyptic number.

442332242 is a deficient number, since it is larger than the sum of its proper divisors (310688686).

442332242 is a wasteful number, since it uses less digits than its factorization.

442332242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5126.

The product of its digits is 9216, while the sum is 26.

The square root of 442332242 is about 21031.6961275119. The cubic root of 442332242 is about 761.9319740505.

Adding to 442332242 its reverse (242233244), we get a palindrome (684565486).

The spelling of 442332242 in words is "four hundred forty-two million, three hundred thirty-two thousand, two hundred forty-two".