100226197 has 4 divisors (see below), whose sum is σ = 105501280. Its totient is φ = 94951116.

The previous prime is 100226183. The next prime is 100226209. The reversal of 100226197 is 791622001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100226197 - 2¹¹ = 100224149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100226167) 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, 2637513 + ... + 2637550.

It is an arithmetic number, because the mean of its divisors is an integer number (26375320).

Almost surely, 2^100226197 is an apocalyptic number.

It is an amenable number.

100226197 is a deficient number, since it is larger than the sum of its proper divisors (5275083).

100226197 is an equidigital number, since it uses as much as digits as its factorization.

100226197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5275082.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 100226197 is about 10011.3034615878. The cubic root of 100226197 is about 464.5085909741.

Adding to 100226197 its reverse (791622001), we get a palindrome (891848198).

The spelling of 100226197 in words is "one hundred million, two hundred twenty-six thousand, one hundred ninety-seven".