22706636655 has 32 divisors (see below), whose sum is σ = 36726934464. Its totient is φ = 11978817536.

The previous prime is 22706636651. The next prime is 22706636683. The reversal of 22706636655 is 55663660722.

It is a cyclic number.

It is not a de Polignac number, because 22706636655 - 2² = 22706636651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22706636651) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 489007 + ... + 533423.

It is an arithmetic number, because the mean of its divisors is an integer number (1147716702).

Almost surely, 2^22706636655 is an apocalyptic number.

22706636655 is a deficient number, since it is larger than the sum of its proper divisors (14020297809).

22706636655 is a wasteful number, since it uses less digits than its factorization.

22706636655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44795.

The product of its (nonzero) digits is 2721600, while the sum is 48.

The spelling of 22706636655 in words is "twenty-two billion, seven hundred six million, six hundred thirty-six thousand, six hundred fifty-five".