100244188 has 12 divisors (see below), whose sum is σ = 191375352. Its totient is φ = 45565520.

The previous prime is 100244153. The next prime is 100244203. The reversal of 100244188 is 881442001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1139095 + ... + 1139182.

It is an arithmetic number, because the mean of its divisors is an integer number (15947946).

Almost surely, 2^100244188 is an apocalyptic number.

It is an amenable number.

100244188 is a deficient number, since it is larger than the sum of its proper divisors (91131164).

100244188 is a wasteful number, since it uses less digits than its factorization.

100244188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2278292 (or 2278290 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 100244188 is about 10012.2019556140. The cubic root of 100244188 is about 464.5363830229.

Adding to 100244188 its reverse (881442001), we get a palindrome (981686189).

The spelling of 100244188 in words is "one hundred million, two hundred forty-four thousand, one hundred eighty-eight".