442324442 has 16 divisors (see below), whose sum is σ = 759065472. Its totient is φ = 189368880.

The previous prime is 442324433. The next prime is 442324453. The reversal of 442324442 is 244423244.

It is a super-2 number, since 2×442324442² = 391301823981222728, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2309 + ... + 29832.

It is an arithmetic number, because the mean of its divisors is an integer number (47441592).

Almost surely, 2^442324442 is an apocalyptic number.

442324442 is a deficient number, since it is larger than the sum of its proper divisors (316741030).

442324442 is a wasteful number, since it uses less digits than its factorization.

442324442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33133.

The product of its digits is 24576, while the sum is 29.

The square root of 442324442 is about 21031.5106922922. The cubic root of 442324442 is about 761.9274954379.

Adding to 442324442 its reverse (244423244), we get a palindrome (686747686).

The spelling of 442324442 in words is "four hundred forty-two million, three hundred twenty-four thousand, four hundred forty-two".