442421321204422 has 16 divisors (see below), whose sum is σ = 758442632843520. Its totient is φ = 189607617107208.

The previous prime is 442421321204419. The next prime is 442421321204477. The reversal of 442421321204422 is 224402123124244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124903648 + ... + 128396899.

It is an arithmetic number, because the mean of its divisors is an integer number (47402664552720).

Almost surely, 2^{442421321204422} is an apocalyptic number.

442421321204422 is a deficient number, since it is larger than the sum of its proper divisors (316021311639098).

442421321204422 is a wasteful number, since it uses less digits than its factorization.

442421321204422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253425315.

The product of its (nonzero) digits is 196608, while the sum is 37.

Adding to 442421321204422 its reverse (224402123124244), we get a palindrome (666823444328666).

The spelling of 442421321204422 in words is "four hundred forty-two trillion, four hundred twenty-one billion, three hundred twenty-one million, two hundred four thousand, four hundred twenty-two".