22220011200 has 84 divisors (see below), whose sum is σ = 72900169160. Its totient is φ = 5925335040.

The previous prime is 22220011199. The next prime is 22220011201. The reversal of 22220011200 is 211002222.

It is an interprime number because it is at equal distance from previous prime (22220011199) and next prime (22220011201).

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

It is not an unprimeable number, because it can be changed into a prime (22220011201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2309785 + ... + 2319384.

Almost surely, 2^22220011200 is an apocalyptic number.

22220011200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22220011200 is an abundant number, since it is smaller than the sum of its proper divisors (50680157960).

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

22220011200 is a wasteful number, since it uses less digits than its factorization.

22220011200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4629194 (or 4629179 counting only the distinct ones).

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

Adding to 22220011200 its reverse (211002222), we get a palindrome (22431013422).

The spelling of 22220011200 in words is "twenty-two billion, two hundred twenty million, eleven thousand, two hundred".