100220232 has 64 divisors (see below), whose sum is σ = 291225600. Its totient is φ = 28146240.

The previous prime is 100220227. The next prime is 100220233. The reversal of 100220232 is 232022001.

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

It is not an unprimeable number, because it can be changed into a prime (100220233) 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, 4857 + ... + 14967.

It is an arithmetic number, because the mean of its divisors is an integer number (4550400).

Almost surely, 2^100220232 is an apocalyptic number.

100220232 is a gapful number since it is divisible by the number (12) 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 100220232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145612800).

100220232 is an abundant number, since it is smaller than the sum of its proper divisors (191005368).

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

100220232 is a wasteful number, since it uses less digits than its factorization.

100220232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10186 (or 10182 counting only the distinct ones).

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

The square root of 100220232 is about 10011.0055439002. The cubic root of 100220232 is about 464.4993756565.

Adding to 100220232 its reverse (232022001), we get a palindrome (332242233).

The spelling of 100220232 in words is "one hundred million, two hundred twenty thousand, two hundred thirty-two".