1222234556679 has 6 divisors (see below), whose sum is σ = 1765449915216. Its totient is φ = 814823037780.

The previous prime is 1222234556593. The next prime is 1222234556693. The reversal of 1222234556679 is 9766554322221.

1222234556679 is a `hidden beast` number, since 1 + 2 + 2 + 2 + 2 + 3 + 4 + 5 + 566 + 79 = 666.

It is not a de Polignac number, because 1222234556679 - 2⁷ = 1222234556551 is a prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222234554679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67901919807 + ... + 67901919824.

It is an arithmetic number, because the mean of its divisors is an integer number (294241652536).

Almost surely, 2^{1222234556679} is an apocalyptic number.

1222234556679 is a deficient number, since it is larger than the sum of its proper divisors (543215358537).

1222234556679 is a wasteful number, since it uses less digits than its factorization.

1222234556679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135803839637 (or 135803839634 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 54.

The spelling of 1222234556679 in words is "one trillion, two hundred twenty-two billion, two hundred thirty-four million, five hundred fifty-six thousand, six hundred seventy-nine".