100000022200 has 96 divisors (see below), whose sum is σ = 250492404960. Its totient is φ = 36907200000.

The previous prime is 100000022191. The next prime is 100000022231. The reversal of 100000022200 is 2220000001.

It is a happy number.

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, 7265325 + ... + 7279075.

It is an arithmetic number, because the mean of its divisors is an integer number (2609295885).

Almost surely, 2^100000022200 is an apocalyptic number.

100000022200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100000022200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125246202480).

100000022200 is an abundant number, since it is smaller than the sum of its proper divisors (150492382760).

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

100000022200 is a wasteful number, since it uses less digits than its factorization.

100000022200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16577 (or 16568 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

Adding to 100000022200 its reverse (2220000001), we get a palindrome (102220022201).

The spelling of 100000022200 in words is "one hundred billion, twenty-two thousand, two hundred".