22240422222 has 16 divisors (see below), whose sum is σ = 46821941760. Its totient is φ = 7023291192.

The previous prime is 22240422199. The next prime is 22240422223. The reversal of 22240422222 is 22222404222.

It is a super-2 number, since 2×22240422222² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22240422192 and 22240422201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22240422223) 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, 97545598 + ... + 97545825.

It is an arithmetic number, because the mean of its divisors is an integer number (2926371360).

Almost surely, 2^22240422222 is an apocalyptic number.

22240422222 is an abundant number, since it is smaller than the sum of its proper divisors (24581519538).

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

22240422222 is a wasteful number, since it uses less digits than its factorization.

22240422222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195091447.

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 22240422222 its reverse (22222404222), we get a palindrome (44462826444).

The spelling of 22240422222 in words is "twenty-two billion, two hundred forty million, four hundred twenty-two thousand, two hundred twenty-two".