22565540156 has 6 divisors (see below), whose sum is σ = 39489695280. Its totient is φ = 11282770076.

The previous prime is 22565540141. The next prime is 22565540183. The reversal of 22565540156 is 65104556522.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2820692516 + ... + 2820692523.

It is an arithmetic number, because the mean of its divisors is an integer number (6581615880).

Almost surely, 2^22565540156 is an apocalyptic number.

It is an amenable number.

22565540156 is a deficient number, since it is larger than the sum of its proper divisors (16924155124).

22565540156 is a wasteful number, since it uses less digits than its factorization.

22565540156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5641385043 (or 5641385041 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 41.

The spelling of 22565540156 in words is "twenty-two billion, five hundred sixty-five million, five hundred forty thousand, one hundred fifty-six".