22220402200 has 24 divisors (see below), whose sum is σ = 51662435580. Its totient is φ = 8888160800.

The previous prime is 22220402161. The next prime is 22220402227. The reversal of 22220402200 is 220402222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55550806 + ... + 55551205.

Almost surely, 2^22220402200 is an apocalyptic number.

22220402200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22220402200 is an abundant number, since it is smaller than the sum of its proper divisors (29442033380).

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

22220402200 is a wasteful number, since it uses less digits than its factorization.

22220402200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111102027 (or 111102018 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 22220402200 its reverse (220402222), we get a palindrome (22440804422).

The spelling of 22220402200 in words is "twenty-two billion, two hundred twenty million, four hundred two thousand, two hundred".