442420224323422 has 8 divisors (see below), whose sum is σ = 665363052769536. Its totient is φ = 220632540066912.

The previous prime is 442420224323309. The next prime is 442420224323423. The reversal of 442420224323422 is 224323422024244.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442420224323423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288786046443 + ... + 288786047974.

It is an arithmetic number, because the mean of its divisors is an integer number (83170381596192).

Almost surely, 2^{442420224323422} is an apocalyptic number.

442420224323422 is a deficient number, since it is larger than the sum of its proper divisors (222942828446114).

442420224323422 is a wasteful number, since it uses less digits than its factorization.

442420224323422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577572094802.

The product of its (nonzero) digits is 1179648, while the sum is 40.

Adding to 442420224323422 its reverse (224323422024244), we get a palindrome (666743646347666).

The spelling of 442420224323422 in words is "four hundred forty-two trillion, four hundred twenty billion, two hundred twenty-four million, three hundred twenty-three thousand, four hundred twenty-two".