22256775211 has 12 divisors (see below), whose sum is σ = 24706290672. Its totient is φ = 20033090000.

The previous prime is 22256775209. The next prime is 22256775251. The reversal of 22256775211 is 11257765222.

It is not a de Polignac number, because 22256775211 - 2¹ = 22256775209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22256775251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 898375 + ... + 922816.

It is an arithmetic number, because the mean of its divisors is an integer number (2058857556).

Almost surely, 2^22256775211 is an apocalyptic number.

22256775211 is a deficient number, since it is larger than the sum of its proper divisors (2449515461).

22256775211 is a wasteful number, since it uses less digits than its factorization.

22256775211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1821314 (or 1821303 counting only the distinct ones).

The product of its digits is 117600, while the sum is 40.

The spelling of 22256775211 in words is "twenty-two billion, two hundred fifty-six million, seven hundred seventy-five thousand, two hundred eleven".