100194225 has 24 divisors (see below), whose sum is σ = 165941760. Its totient is φ = 53344320.

The previous prime is 100194181. The next prime is 100194229. The reversal of 100194225 is 522491001.

It is not a de Polignac number, because 100194225 - 2⁷ = 100194097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100194195 and 100194204.

It is not an unprimeable number, because it can be changed into a prime (100194229) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 80911 + ... + 82139.

It is an arithmetic number, because the mean of its divisors is an integer number (6914240).

Almost surely, 2^100194225 is an apocalyptic number.

100194225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100194225 is a deficient number, since it is larger than the sum of its proper divisors (65747535).

100194225 is a wasteful number, since it uses less digits than its factorization.

100194225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2329 (or 2324 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 100194225 is about 10009.7065391549. The cubic root of 100194225 is about 464.4591932166.

The spelling of 100194225 in words is "one hundred million, one hundred ninety-four thousand, two hundred twenty-five".