442320031404322 has 8 divisors (see below), whose sum is σ = 664312518937116. Its totient is φ = 220882525091952.

The previous prime is 442320031404289. The next prime is 442320031404337. The reversal of 442320031404322 is 223404130023244.

It can be written as a sum of positive squares in 2 ways, for example, as 430775047724641 + 11544983679681 = 20755121^2 + 3397791^2 .

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

It is a super-2 number, since 2×442320031404322² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138745303113 + ... + 138745306300.

Almost surely, 2^{442320031404322} is an apocalyptic number.

442320031404322 is a deficient number, since it is larger than the sum of its proper divisors (221992487532794).

442320031404322 is a wasteful number, since it uses less digits than its factorization.

442320031404322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277490610212.

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 442320031404322 its reverse (223404130023244), we get a palindrome (665724161427566).

The spelling of 442320031404322 in words is "four hundred forty-two trillion, three hundred twenty billion, thirty-one million, four hundred four thousand, three hundred twenty-two".