100225116 has 36 divisors (see below), whose sum is σ = 255182200. Its totient is φ = 33166368.

The previous prime is 100225063. The next prime is 100225121. The reversal of 100225116 is 611522001.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5011 + ... + 15018.

Almost surely, 2^100225116 is an apocalyptic number.

It is an amenable number.

100225116 is an abundant number, since it is smaller than the sum of its proper divisors (154957084).

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

100225116 is a wasteful number, since it uses less digits than its factorization.

100225116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20178 (or 20173 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 100225116 is about 10011.2494724685. The cubic root of 100225116 is about 464.5069209663.

Adding to 100225116 its reverse (611522001), we get a palindrome (711747117).

The spelling of 100225116 in words is "one hundred million, two hundred twenty-five thousand, one hundred sixteen".