1022644212426 has 12 divisors (see below), whose sum is σ = 2215729126962. Its totient is φ = 340881404136.

The previous prime is 1022644212397. The next prime is 1022644212431. The reversal of 1022644212426 is 6242124462201.

1022644212426 is a `hidden beast` number, since 1 + 0 + 2 + 2 + 644 + 2 + 1 + 2 + 4 + 2 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 953054300025 + 69589912401 = 976245^2 + 263799^2 .

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 5 ways as a sum of consecutive naturals, for example, 28406783661 + ... + 28406783696.

Almost surely, 2^{1022644212426} is an apocalyptic number.

1022644212426 is an abundant number, since it is smaller than the sum of its proper divisors (1193084914536).

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

1022644212426 is a wasteful number, since it uses less digits than its factorization.

1022644212426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56813567365 (or 56813567362 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

Adding to 1022644212426 its reverse (6242124462201), we get a palindrome (7264768674627).

The spelling of 1022644212426 in words is "one trillion, twenty-two billion, six hundred forty-four million, two hundred twelve thousand, four hundred twenty-six".