22112774109756 has 144 divisors (see below), whose sum is σ = 62406683539200. Its totient is φ = 6543858666240.

The previous prime is 22112774109749. The next prime is 22112774109779. The reversal of 22112774109756 is 65790147721122.

It is a happy number.

22112774109756 is a `hidden beast` number, since 2 + 21 + 1 + 2 + 77 + 410 + 97 + 56 = 666.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 99485761 + ... + 99707783.

It is an arithmetic number, because the mean of its divisors is an integer number (433379746800).

Almost surely, 2^{22112774109756} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22112774109756, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31203341769600).

22112774109756 is an abundant number, since it is smaller than the sum of its proper divisors (40293909429444).

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

22112774109756 is a wasteful number, since it uses less digits than its factorization.

22112774109756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227936 (or 227931 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 54.

The spelling of 22112774109756 in words is "twenty-two trillion, one hundred twelve billion, seven hundred seventy-four million, one hundred nine thousand, seven hundred fifty-six".