222224442220 has 72 divisors (see below), whose sum is σ = 510628219920. Its totient is φ = 80566404480.

The previous prime is 222224442203. The next prime is 222224442239. The reversal of 222224442220 is 22244422222.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26485786 + ... + 26494174.

It is an arithmetic number, because the mean of its divisors is an integer number (7092058610).

Almost surely, 2^222224442220 is an apocalyptic number.

222224442220 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 222224442220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255314109960).

222224442220 is an abundant number, since it is smaller than the sum of its proper divisors (288403777700).

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

222224442220 is a wasteful number, since it uses less digits than its factorization.

222224442220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9103 (or 8754 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 222224442220 its reverse (22244422222), we get a palindrome (244468864442).

It can be divided in two parts, 2222 and 24442220, that added together give a palindrome (24444442).

The spelling of 222224442220 in words is "two hundred twenty-two billion, two hundred twenty-four million, four hundred forty-two thousand, two hundred twenty".