22166655263 has 4 divisors (see below), whose sum is σ = 22184263080. Its totient is φ = 22149047448.

The previous prime is 22166655241. The next prime is 22166655271. The reversal of 22166655263 is 36255666122.

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

It is a cyclic number.

It is not a de Polignac number, because 22166655263 - 2¹⁰ = 22166654239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22166655233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8802020 + ... + 8804537.

It is an arithmetic number, because the mean of its divisors is an integer number (5546065770).

Almost surely, 2^22166655263 is an apocalyptic number.

22166655263 is a deficient number, since it is larger than the sum of its proper divisors (17607817).

22166655263 is a wasteful number, since it uses less digits than its factorization.

22166655263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17607816.

The product of its digits is 777600, while the sum is 44.

The spelling of 22166655263 in words is "twenty-two billion, one hundred sixty-six million, six hundred fifty-five thousand, two hundred sixty-three".