22220112210220 has 24 divisors (see below), whose sum is σ = 46662846786864. Its totient is φ = 8887928475456.

The previous prime is 22220112210157. The next prime is 22220112210239. The reversal of 22220112210220 is 2201221102222.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5702022 + ... + 8772301.

It is an arithmetic number, because the mean of its divisors is an integer number (1944285282786).

Almost surely, 2^{22220112210220} is an apocalyptic number.

22220112210220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22220112210220 is an abundant number, since it is smaller than the sum of its proper divisors (24442734576644).

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

22220112210220 is a wasteful number, since it uses less digits than its factorization.

22220112210220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14551089 (or 14551087 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22220112210220 its reverse (2201221102222), we get a palindrome (24421333312442).

The spelling of 22220112210220 in words is "twenty-two trillion, two hundred twenty billion, one hundred twelve million, two hundred ten thousand, two hundred twenty".