442012402322 has 8 divisors (see below), whose sum is σ = 663111968256. Its totient is φ = 220975079572.

The previous prime is 442012402309. The next prime is 442012402339. The reversal of 442012402322 is 223204210244.

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

It is a junction number, because it is equal to n+sod(n) for n = 442012402291 and 442012402300.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15543038 + ... + 15571449.

It is an arithmetic number, because the mean of its divisors is an integer number (82888996032).

Almost surely, 2^442012402322 is an apocalyptic number.

442012402322 is a deficient number, since it is larger than the sum of its proper divisors (221099565934).

442012402322 is a wasteful number, since it uses less digits than its factorization.

442012402322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31121592.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 442012402322 its reverse (223204210244), we get a palindrome (665216612566).

The spelling of 442012402322 in words is "four hundred forty-two billion, twelve million, four hundred two thousand, three hundred twenty-two".