22011200220 has 48 divisors (see below), whose sum is σ = 61669284768. Its totient is φ = 5866041600.

The previous prime is 22011200209. The next prime is 22011200249. The reversal of 22011200220 is 2200211022.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 22011200196 and 22011200205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13831 + ... + 210270.

It is an arithmetic number, because the mean of its divisors is an integer number (1284776766).

Almost surely, 2^22011200220 is an apocalyptic number.

22011200220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22011200220 is an abundant number, since it is smaller than the sum of its proper divisors (39658084548).

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

22011200220 is a wasteful number, since it uses less digits than its factorization.

22011200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225750 (or 225748 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22011200220 its reverse (2200211022), we get a palindrome (24211411242).

The spelling of 22011200220 in words is "twenty-two billion, eleven million, two hundred thousand, two hundred twenty".