22056211040 has 96 divisors (see below), whose sum is σ = 52907722560. Its totient is φ = 8688052224.

The previous prime is 22056211039. The next prime is 22056211057. The reversal of 22056211040 is 4011265022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22056210997 and 22056211015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2908694 + ... + 2916266.

It is an arithmetic number, because the mean of its divisors is an integer number (551122110).

Almost surely, 2^22056211040 is an apocalyptic number.

22056211040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22056211040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26453861280).

22056211040 is an abundant number, since it is smaller than the sum of its proper divisors (30851511520).

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

22056211040 is a wasteful number, since it uses less digits than its factorization.

22056211040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7864 (or 7856 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 22056211040 its reverse (4011265022), we get a palindrome (26067476062).

The spelling of 22056211040 in words is "twenty-two billion, fifty-six million, two hundred eleven thousand, forty".