442227412 has 24 divisors (see below), whose sum is σ = 851239872. Its totient is φ = 201010040.

The previous prime is 442227407. The next prime is 442227439. The reversal of 442227412 is 214722244.

It is a congruent number.

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, 36208 + ... + 46855.

It is an arithmetic number, because the mean of its divisors is an integer number (35468328).

Almost surely, 2^442227412 is an apocalyptic number.

It is an amenable number.

442227412 is a deficient number, since it is larger than the sum of its proper divisors (409012460).

442227412 is a wasteful number, since it uses less digits than its factorization.

442227412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83100 (or 83076 counting only the distinct ones).

The product of its digits is 7168, while the sum is 28.

The square root of 442227412 is about 21029.2037890168. The cubic root of 442227412 is about 761.8717782430.

Adding to 442227412 its reverse (214722244), we get a palindrome (656949656).

The spelling of 442227412 in words is "four hundred forty-two million, two hundred twenty-seven thousand, four hundred twelve".