22004445005405 has 64 divisors (see below), whose sum is σ = 30729645527040. Its totient is φ = 15003843757056.

The previous prime is 22004445005401. The next prime is 22004445005453. The reversal of 22004445005405 is 50450054440022.

It is a cyclic number.

It is not a de Polignac number, because 22004445005405 - 2² = 22004445005401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22004445005401) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 57122774 + ... + 57506696.

It is an arithmetic number, because the mean of its divisors is an integer number (480150711360).

Almost surely, 2^{22004445005405} is an apocalyptic number.

It is an amenable number.

22004445005405 is a deficient number, since it is larger than the sum of its proper divisors (8725200521635).

22004445005405 is a wasteful number, since it uses less digits than its factorization.

22004445005405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385530.

The product of its (nonzero) digits is 128000, while the sum is 35.

Adding to 22004445005405 its reverse (50450054440022), we get a palindrome (72454499445427).

The spelling of 22004445005405 in words is "twenty-two trillion, four billion, four hundred forty-five million, five thousand, four hundred five".