22022220202220 has 24 divisors (see below), whose sum is σ = 52853328485664. Its totient is φ = 7550475497856.

The previous prime is 22022220202219. The next prime is 22022220202223. The reversal of 22022220202220 is 2220202222022.

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 = 22022220202192 and 22022220202201.

It is not an unprimeable number, because it can be changed into a prime (22022220202223) 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, 78650786297 + ... + 78650786576.

It is an arithmetic number, because the mean of its divisors is an integer number (2202222020236).

Almost surely, 2^{22022220202220} is an apocalyptic number.

22022220202220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22022220202220 is an abundant number, since it is smaller than the sum of its proper divisors (30831108283444).

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

22022220202220 is a wasteful number, since it uses less digits than its factorization.

22022220202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157301572889 (or 157301572887 counting only the distinct ones).

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

Adding to 22022220202220 its reverse (2220202222022), we get a palindrome (24242422424242).

The spelling of 22022220202220 in words is "twenty-two trillion, twenty-two billion, two hundred twenty million, two hundred two thousand, two hundred twenty".