22112655566 has 4 divisors (see below), whose sum is σ = 33168983352. Its totient is φ = 11056327782.

The previous prime is 22112655541. The next prime is 22112655577. The reversal of 22112655566 is 66555621122.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5528163890 + ... + 5528163893.

It is an arithmetic number, because the mean of its divisors is an integer number (8292245838).

Almost surely, 2^22112655566 is an apocalyptic number.

22112655566 is a deficient number, since it is larger than the sum of its proper divisors (11056327786).

22112655566 is a wasteful number, since it uses less digits than its factorization.

22112655566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11056327785.

The product of its digits is 216000, while the sum is 41.

The spelling of 22112655566 in words is "twenty-two billion, one hundred twelve million, six hundred fifty-five thousand, five hundred sixty-six".