22125655505656 has 32 divisors (see below), whose sum is σ = 41854510661040. Its totient is φ = 10964460978688.

The previous prime is 22125655505651. The next prime is 22125655505663. The reversal of 22125655505656 is 65650555652122.

It is a junction number, because it is equal to n+sod(n) for n = 22125655505597 and 22125655505606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22125655505651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21285090 + ... + 22300366.

Almost surely, 2^{22125655505656} is an apocalyptic number.

It is an amenable number.

22125655505656 is a deficient number, since it is larger than the sum of its proper divisors (19728855155384).

22125655505656 is a wasteful number, since it uses less digits than its factorization.

22125655505656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039503 (or 1039499 counting only the distinct ones).

The product of its (nonzero) digits is 27000000, while the sum is 55.

The spelling of 22125655505656 in words is "twenty-two trillion, one hundred twenty-five billion, six hundred fifty-five million, five hundred five thousand, six hundred fifty-six".