22005856365 has 32 divisors (see below), whose sum is σ = 35462762496. Its totient is φ = 11652164160.

The previous prime is 22005856331. The next prime is 22005856381. The reversal of 22005856365 is 56365850022.

It is not a de Polignac number, because 22005856365 - 2¹¹ = 22005854317 is a prime.

It is a super-2 number, since 2×22005856365² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2277234 + ... + 2286876.

It is an arithmetic number, because the mean of its divisors is an integer number (1108211328).

Almost surely, 2^22005856365 is an apocalyptic number.

It is an amenable number.

22005856365 is a deficient number, since it is larger than the sum of its proper divisors (13456906131).

22005856365 is a wasteful number, since it uses less digits than its factorization.

22005856365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10729.

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 22005856365 in words is "twenty-two billion, five million, eight hundred fifty-six thousand, three hundred sixty-five".