222011220220 has 24 divisors (see below), whose sum is σ = 470750009184. Its totient is φ = 87942307776.

The previous prime is 222011220127. The next prime is 222011220229. The reversal of 222011220220 is 22022110222.

It is a junction number, because it is equal to n+sod(n) for n = 222011220194 and 222011220203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222011220229) 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, 53884159 + ... + 53888278.

It is an arithmetic number, because the mean of its divisors is an integer number (19614583716).

Almost surely, 2^222011220220 is an apocalyptic number.

222011220220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222011220220 is an abundant number, since it is smaller than the sum of its proper divisors (248738788964).

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

222011220220 is a wasteful number, since it uses less digits than its factorization.

222011220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107772549 (or 107772547 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 222011220220 its reverse (22022110222), we get a palindrome (244033330442).

It can be divided in two parts, 22201 and 1220220, that added together give a palindrome (1242421).

The spelling of 222011220220 in words is "two hundred twenty-two billion, eleven million, two hundred twenty thousand, two hundred twenty".