442234131 has 8 divisors (see below), whose sum is σ = 589803984. Its totient is φ = 294743520.

The previous prime is 442234129. The next prime is 442234151. The reversal of 442234131 is 131432244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 442234131 - 2¹ = 442234129 is a prime.

It is a super-2 number, since 2×442234131² = 391142053242650322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (442234151) by changing a digit.

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, 5260 + ... + 30201.

It is an arithmetic number, because the mean of its divisors is an integer number (73725498).

Almost surely, 2^442234131 is an apocalyptic number.

442234131 is a deficient number, since it is larger than the sum of its proper divisors (147569853).

442234131 is a wasteful number, since it uses less digits than its factorization.

442234131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39621.

The product of its digits is 2304, while the sum is 24.

The square root of 442234131 is about 21029.3635424375. The cubic root of 442234131 is about 761.8756367333.

Adding to 442234131 its reverse (131432244), we get a palindrome (573666375).

The spelling of 442234131 in words is "four hundred forty-two million, two hundred thirty-four thousand, one hundred thirty-one".