321224224231442 has 16 divisors (see below), whose sum is σ = 550670346300480. Its totient is φ = 137667462766128.

The previous prime is 321224224231423. The next prime is 321224224231523. The reversal of 321224224231442 is 244132422422123.

It is a junction number, because it is equal to n+sod(n) for n = 321224224231396 and 321224224231405.

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, 41873333 + ... + 48947159.

It is an arithmetic number, because the mean of its divisors is an integer number (34416896643780).

Almost surely, 2^{321224224231442} is an apocalyptic number.

321224224231442 is a deficient number, since it is larger than the sum of its proper divisors (229446122069038).

321224224231442 is a wasteful number, since it uses less digits than its factorization.

321224224231442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10317425.

The product of its digits is 294912, while the sum is 38.

Adding to 321224224231442 its reverse (244132422422123), we get a palindrome (565356646653565).

The spelling of 321224224231442 in words is "three hundred twenty-one trillion, two hundred twenty-four billion, two hundred twenty-four million, two hundred thirty-one thousand, four hundred forty-two".