22102002022220 has 24 divisors (see below), whose sum is σ = 46485282687984. Its totient is φ = 8827262058176.

The previous prime is 22102002022193. The next prime is 22102002022229. The reversal of 22102002022220 is 2222020020122.

It is not an unprimeable number, because it can be changed into a prime (22102002022229) 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, 846158534 + ... + 846184653.

It is an arithmetic number, because the mean of its divisors is an integer number (1936886778666).

Almost surely, 2^{22102002022220} is an apocalyptic number.

22102002022220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22102002022220 is an abundant number, since it is smaller than the sum of its proper divisors (24383280665764).

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

22102002022220 is a wasteful number, since it uses less digits than its factorization.

22102002022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692343849 (or 1692343847 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 22102002022220 its reverse (2222020020122), we get a palindrome (24324022042342).

The spelling of 22102002022220 in words is "twenty-two trillion, one hundred two billion, two million, twenty-two thousand, two hundred twenty".