1002444221322 has 48 divisors (see below), whose sum is σ = 2178429821568. Its totient is φ = 333154120320.

The previous prime is 1002444221309. The next prime is 1002444221347. The reversal of 1002444221322 is 2231224442001.

It is a happy number.

1002444221322 is a `hidden beast` number, since 1 + 0 + 0 + 2 + 4 + 442 + 213 + 2 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12006573 + ... + 12089775.

It is an arithmetic number, because the mean of its divisors is an integer number (45383954616).

Almost surely, 2^{1002444221322} is an apocalyptic number.

1002444221322 is an abundant number, since it is smaller than the sum of its proper divisors (1175985600246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1002444221322 is a wasteful number, since it uses less digits than its factorization.

1002444221322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85195 (or 85192 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 1002444221322 its reverse (2231224442001), we get a palindrome (3233668663323).

The spelling of 1002444221322 in words is "one trillion, two billion, four hundred forty-four million, two hundred twenty-one thousand, three hundred twenty-two".