22220320110 has 64 divisors (see below), whose sum is σ = 53578409472. Its totient is φ = 5897736576.

The previous prime is 22220320037. The next prime is 22220320121. The reversal of 22220320110 is 1102302222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 22220320110.

It is a congruent number.

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, 12718257 + ... + 12720003.

It is an arithmetic number, because the mean of its divisors is an integer number (837162648).

Almost surely, 2^22220320110 is an apocalyptic number.

22220320110 is an abundant number, since it is smaller than the sum of its proper divisors (31358089362).

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

22220320110 is a wasteful number, since it uses less digits than its factorization.

22220320110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3497.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 22220320110 its reverse (1102302222), we get a palindrome (23322622332).

The spelling of 22220320110 in words is "twenty-two billion, two hundred twenty million, three hundred twenty thousand, one hundred ten".