22010210220 has 48 divisors (see below), whose sum is σ = 61947940320. Its totient is φ = 5838974976.

The previous prime is 22010210177. The next prime is 22010210221. The reversal of 22010210220 is 2201201022.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 22010210196 and 22010210205.

It is not an unprimeable number, because it can be changed into a prime (22010210221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 938775 + ... + 961934.

It is an arithmetic number, because the mean of its divisors is an integer number (1290582090).

Almost surely, 2^22010210220 is an apocalyptic number.

22010210220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22010210220 is an abundant number, since it is smaller than the sum of its proper divisors (39937730100).

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

22010210220 is a wasteful number, since it uses less digits than its factorization.

22010210220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1900914 (or 1900912 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22010210220 its reverse (2201201022), we get a palindrome (24211411242).

The spelling of 22010210220 in words is "twenty-two billion, ten million, two hundred ten thousand, two hundred twenty".