22110313220 has 24 divisors (see below), whose sum is σ = 49162932504. Its totient is φ = 8323882496.

The previous prime is 22110313201. The next prime is 22110313223. The reversal of 22110313220 is 2231301122.

It can be written as a sum of positive squares in 4 ways, for example, as 6101484544 + 16008828676 = 78112^2 + 126526^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (22110313223) 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, 32514827 + ... + 32515506.

It is an arithmetic number, because the mean of its divisors is an integer number (2048455521).

Almost surely, 2^22110313220 is an apocalyptic number.

22110313220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22110313220 is an abundant number, since it is smaller than the sum of its proper divisors (27052619284).

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

22110313220 is a wasteful number, since it uses less digits than its factorization.

22110313220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65030359 (or 65030357 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 22110313220 its reverse (2231301122), we get a palindrome (24341614342).

The spelling of 22110313220 in words is "twenty-two billion, one hundred ten million, three hundred thirteen thousand, two hundred twenty".