222011112220 has 24 divisors (see below), whose sum is σ = 490761406800. Its totient is φ = 84130526592.

The previous prime is 222011112209. The next prime is 222011112221. The reversal of 222011112220 is 22211110222.

It is a happy number.

It is a super-2 number, since 2×222011112220² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222011112194 and 222011112203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222011112221) 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, 292119505 + ... + 292120264.

It is an arithmetic number, because the mean of its divisors is an integer number (20448391950).

Almost surely, 2^222011112220 is an apocalyptic number.

222011112220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222011112220 is an abundant number, since it is smaller than the sum of its proper divisors (268750294580).

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

222011112220 is a wasteful number, since it uses less digits than its factorization.

222011112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584239797 (or 584239795 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222011112220 its reverse (22211110222), we get a palindrome (244222222442).

The spelling of 222011112220 in words is "two hundred twenty-two billion, eleven million, one hundred twelve thousand, two hundred twenty".