22222227777768 has 96 divisors (see below), whose sum is σ = 63353840160000. Its totient is φ = 7017435088128.

The previous prime is 22222227777767. The next prime is 22222227777779. The reversal of 22222227777768 is 86777772222222.

22222227777768 is a `hidden beast` number, since 2 + 2 + 2 + 222 + 277 + 77 + 76 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (22222227777767) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 159930468 + ... + 160069356.

It is an arithmetic number, because the mean of its divisors is an integer number (659935835000).

Almost surely, 2^{22222227777768} is an apocalyptic number.

It is an amenable number.

22222227777768 is an abundant number, since it is smaller than the sum of its proper divisors (41131612382232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22222227777768 is a wasteful number, since it uses less digits than its factorization.

22222227777768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255879 (or 255872 counting only the distinct ones).

The product of its digits is 103262208, while the sum is 63.

The spelling of 22222227777768 in words is "twenty-two trillion, two hundred twenty-two billion, two hundred twenty-seven million, seven hundred seventy-seven thousand, seven hundred sixty-eight".