22222221210200 has 96 divisors (see below), whose sum is σ = 56364843602160. Its totient is φ = 8080634265600.

The previous prime is 22222221210199. The next prime is 22222221210223. The reversal of 22222221210200 is 201212222222.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 149034884 + ... + 149183916.

Almost surely, 2^{22222221210200} is an apocalyptic number.

22222221210200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22222221210200 is an abundant number, since it is smaller than the sum of its proper divisors (34142622391960).

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

22222221210200 is a wasteful number, since it uses less digits than its factorization.

22222221210200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216837 (or 216828 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 22222221210200 its reverse (201212222222), we get a palindrome (22423433432422).

The spelling of 22222221210200 in words is "twenty-two trillion, two hundred twenty-two billion, two hundred twenty-one million, two hundred ten thousand, two hundred".