222424222020 has 768 divisors, whose sum is σ = 868168433664. Its totient is φ = 41057280000.

The previous prime is 222424221997. The next prime is 222424222021. The reversal of 222424222020 is 20222424222.

It is not an unprimeable number, because it can be changed into a prime (222424222021) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 224443725 + ... + 224444715.

It is an arithmetic number, because the mean of its divisors is an integer number (1130427648).

Almost surely, 2^222424222020 is an apocalyptic number.

222424222020 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 222424222020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (434084216832).

222424222020 is an abundant number, since it is smaller than the sum of its proper divisors (645744211644).

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

222424222020 is a wasteful number, since it uses less digits than its factorization.

222424222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172 (or 1170 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 222424222020 its reverse (20222424222), we get a palindrome (242646646242).

It can be divided in two parts, 222424 and 222020, that added together give a palindrome (444444).

The spelling of 222424222020 in words is "two hundred twenty-two billion, four hundred twenty-four million, two hundred twenty-two thousand, twenty".