22022202220220 has 96 divisors (see below), whose sum is σ = 47644934400000. Its totient is φ = 8545115865600.

The previous prime is 22022202220189. The next prime is 22022202220229. The reversal of 22022202220220 is 2202220222022.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 22022202220192 and 22022202220201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022202220229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110788481 + ... + 110987079.

It is an arithmetic number, because the mean of its divisors is an integer number (496301400000).

Almost surely, 2^{22022202220220} is an apocalyptic number.

22022202220220 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 22022202220220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23822467200000).

22022202220220 is an abundant number, since it is smaller than the sum of its proper divisors (25622732179780).

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

22022202220220 is a wasteful number, since it uses less digits than its factorization.

22022202220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199419 (or 199417 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

22022202220220 divided by its sum of digits (20) gives a palindrome (1101110111011).

Adding to 22022202220220 its reverse (2202220222022), we get a palindrome (24224422442242).

The spelling of 22022202220220 in words is "twenty-two trillion, twenty-two billion, two hundred two million, two hundred twenty thousand, two hundred twenty".