22222218044 has 24 divisors (see below), whose sum is σ = 42036049440. Its totient is φ = 10218273984.

The previous prime is 22222218043. The next prime is 22222218103. The reversal of 22222218044 is 44081222222.

It is a junction number, because it is equal to n+sod(n) for n = 22222217998 and 22222218016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22222218041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 780344 + ... + 808319.

It is an arithmetic number, because the mean of its divisors is an integer number (1751502060).

Almost surely, 2^22222218044 is an apocalyptic number.

It is an amenable number.

22222218044 is a deficient number, since it is larger than the sum of its proper divisors (19813831396).

22222218044 is a wasteful number, since it uses less digits than its factorization.

22222218044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1588949 (or 1588947 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 29.

The spelling of 22222218044 in words is "twenty-two billion, two hundred twenty-two million, two hundred eighteen thousand, forty-four".