100227 has 4 divisors (see below), whose sum is σ = 133640. Its totient is φ = 66816.

The previous prime is 100213. The next prime is 100237. The reversal of 100227 is 722001.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 100227 - 2⁸ = 99971 is a prime.

It is a D-number.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16702 + ... + 16707.

It is an arithmetic number, because the mean of its divisors is an integer number (33410).

2¹⁰⁰²²⁷ is an apocalyptic number.

100227 is a deficient number, since it is larger than the sum of its proper divisors (33413).

100227 is an equidigital number, since it uses as much as digits as its factorization.

100227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33412.

The product of its (nonzero) digits is 28, while the sum is 12.

The square root of 100227 is about 316.5864810759. The cubic root of 100227 is about 46.4509831499.

Adding to 100227 its reverse (722001), we get a palindrome (822228).

The spelling of 100227 in words is "one hundred thousand, two hundred twenty-seven", and thus it is an iban number.