22112223211044 has 72 divisors (see below), whose sum is σ = 56964908145600. Its totient is φ = 7230963707712.

The previous prime is 22112223211003. The next prime is 22112223211073. The reversal of 22112223211044 is 44011232221122.

22112223211044 is a `hidden beast` number, since 2 + 2 + 11 + 222 + 321 + 104 + 4 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 22112223210999 and 22112223211017.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27469519 + ... + 28263030.

It is an arithmetic number, because the mean of its divisors is an integer number (791179279800).

Almost surely, 2^{22112223211044} is an apocalyptic number.

It is an amenable number.

22112223211044 is an abundant number, since it is smaller than the sum of its proper divisors (34852684934556).

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

22112223211044 is a wasteful number, since it uses less digits than its factorization.

22112223211044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55732769 (or 55732764 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 22112223211044 its reverse (44011232221122), we get a palindrome (66123455432166).

The spelling of 22112223211044 in words is "twenty-two trillion, one hundred twelve billion, two hundred twenty-three million, two hundred eleven thousand, forty-four".