100000223220 has 96 divisors (see below), whose sum is σ = 282943051776. Its totient is φ = 26386816000.

The previous prime is 100000223209. The next prime is 100000223231. The reversal of 100000223220 is 22322000001.

It is an interprime number because it is at equal distance from previous prime (100000223209) and next prime (100000223231).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 100000223196 and 100000223205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12788752 + ... + 12796568.

It is an arithmetic number, because the mean of its divisors is an integer number (2947323456).

Almost surely, 2^100000223220 is an apocalyptic number.

100000223220 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 100000223220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141471525888).

100000223220 is an abundant number, since it is smaller than the sum of its proper divisors (182942828556).

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

100000223220 is a wasteful number, since it uses less digits than its factorization.

100000223220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10041 (or 10039 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 100000223220 its reverse (22322000001), we get a palindrome (122322223221).

The spelling of 100000223220 in words is "one hundred billion, two hundred twenty-three thousand, two hundred twenty".