100222200 has 144 divisors (see below), whose sum is σ = 362554920. Its totient is φ = 24664320.

The previous prime is 100222183. The next prime is 100222217. The reversal of 100222200 is 2222001.

It is an interprime number because it is at equal distance from previous prime (100222183) and next prime (100222217).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 21259 + ... + 25541.

Almost surely, 2^100222200 is an apocalyptic number.

100222200 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 100222200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181277460).

100222200 is an abundant number, since it is smaller than the sum of its proper divisors (262332720).

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

100222200 is a wasteful number, since it uses less digits than its factorization.

100222200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4318 (or 4306 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 100222200 is about 10011.1038352421. The cubic root of 100222200 is about 464.5024160565.

Adding to 100222200 its reverse (2222001), we get a palindrome (102444201).

The spelling of 100222200 in words is "one hundred million, two hundred twenty-two thousand, two hundred".