100000222 has 32 divisors (see below), whose sum is σ = 183591360. Its totient is φ = 39874560.

The previous prime is 100000217. The next prime is 100000223. The reversal of 100000222 is 222000001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (7).

100000222 is a modest number, since divided by 222 gives 100 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100000223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18822 + ... + 23542.

It is an arithmetic number, because the mean of its divisors is an integer number (5737230).

Almost surely, 2^100000222 is an apocalyptic number.

100000222 is a deficient number, since it is larger than the sum of its proper divisors (83591138).

100000222 is a wasteful number, since it uses less digits than its factorization.

100000222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4836.

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

The square root of 100000222 is about 10000.0110999938. The cubic root of 100000222 is about 464.1592268386.

Adding to 100000222 its reverse (222000001), we get a palindrome (322000223).

The spelling of 100000222 in words is "one hundred million, two hundred twenty-two", and thus it is an aban number.