22222021103340 has 96 divisors (see below), whose sum is σ = 64946811073536. Its totient is φ = 5666491649280.

The previous prime is 22222021103339. The next prime is 22222021103351. The reversal of 22222021103340 is 4330112022222.

It is a self number, because there is not a number n which added to its sum of digits gives 22222021103340.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2052514 + ... + 6975446.

It is an arithmetic number, because the mean of its divisors is an integer number (676529282016).

Almost surely, 2^{22222021103340} is an apocalyptic number.

22222021103340 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 22222021103340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32473405536768).

22222021103340 is an abundant number, since it is smaller than the sum of its proper divisors (42724789970196).

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

22222021103340 is a wasteful number, since it uses less digits than its factorization.

22222021103340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4926239 (or 4926237 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 22222021103340 its reverse (4330112022222), we get a palindrome (26552133125562).

The spelling of 22222021103340 in words is "twenty-two trillion, two hundred twenty-two billion, twenty-one million, one hundred three thousand, three hundred forty".