22137605565 has 32 divisors (see below), whose sum is σ = 37292935680. Its totient is φ = 11182752576.

The previous prime is 22137605557. The next prime is 22137605569. The reversal of 22137605565 is 56550673122.

It is not a de Polignac number, because 22137605565 - 2³ = 22137605557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22137605569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2173174 + ... + 2183336.

It is an arithmetic number, because the mean of its divisors is an integer number (1165404240).

Almost surely, 2^22137605565 is an apocalyptic number.

It is an amenable number.

22137605565 is a deficient number, since it is larger than the sum of its proper divisors (15155330115).

22137605565 is a wasteful number, since it uses less digits than its factorization.

22137605565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17833.

The product of its (nonzero) digits is 378000, while the sum is 42.

The spelling of 22137605565 in words is "twenty-two billion, one hundred thirty-seven million, six hundred five thousand, five hundred sixty-five".