222011433220 has 12 divisors (see below), whose sum is σ = 466224009804. Its totient is φ = 88804573280.

The previous prime is 222011433211. The next prime is 222011433221. The reversal of 222011433220 is 22334110222.

It can be written as a sum of positive squares in 2 ways, for example, as 152901332676 + 69110100544 = 391026^2 + 262888^2 .

It is a junction number, because it is equal to n+sod(n) for n = 222011433191 and 222011433200.

It is not an unprimeable number, because it can be changed into a prime (222011433221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5550285811 + ... + 5550285850.

It is an arithmetic number, because the mean of its divisors is an integer number (38852000817).

Almost surely, 2^222011433220 is an apocalyptic number.

222011433220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222011433220 is an abundant number, since it is smaller than the sum of its proper divisors (244212576584).

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

222011433220 is a wasteful number, since it uses less digits than its factorization.

222011433220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11100571670 (or 11100571668 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 222011433220 its reverse (22334110222), we get a palindrome (244345543442).

The spelling of 222011433220 in words is "two hundred twenty-two billion, eleven million, four hundred thirty-three thousand, two hundred twenty".