1322040005564 has 12 divisors (see below), whose sum is σ = 2313579550800. Its totient is φ = 661017276768.

The previous prime is 1322040005563. The next prime is 1322040005593. The reversal of 1322040005564 is 4655000402231.

It is a super-2 number, since 2×1322040005564² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1322040005564.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322040005563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 738377 + ... + 1785855.

It is an arithmetic number, because the mean of its divisors is an integer number (192798295900).

Almost surely, 2^{1322040005564} is an apocalyptic number.

It is an amenable number.

1322040005564 is a deficient number, since it is larger than the sum of its proper divisors (991539545236).

1322040005564 is a wasteful number, since it uses less digits than its factorization.

1322040005564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363012 (or 1363010 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 1322040005564 its reverse (4655000402231), we get a palindrome (5977040407795).

The spelling of 1322040005564 in words is "one trillion, three hundred twenty-two billion, forty million, five thousand, five hundred sixty-four".