22211222200 has 24 divisors (see below), whose sum is σ = 51641092080. Its totient is φ = 8884488800.

The previous prime is 22211222171. The next prime is 22211222213. The reversal of 22211222200 is 222211222.

It is a zygodrome in base 10.

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, 55527856 + ... + 55528255.

It is an arithmetic number, because the mean of its divisors is an integer number (2151712170).

Almost surely, 2^22211222200 is an apocalyptic number.

22211222200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22211222200 is an abundant number, since it is smaller than the sum of its proper divisors (29429869880).

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

22211222200 is a wasteful number, since it uses less digits than its factorization.

22211222200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111056127 (or 111056118 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22211222200 its reverse (222211222), we get a palindrome (22433433422).

The spelling of 22211222200 in words is "twenty-two billion, two hundred eleven million, two hundred twenty-two thousand, two hundred".