100888225 has 12 divisors (see below), whose sum is σ = 125371440. Its totient is φ = 80536400.

The previous prime is 100888223. The next prime is 100888247. The reversal of 100888225 is 522888001.

It is a happy number.

It is not a de Polignac number, because 100888225 - 2¹ = 100888223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100888223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8166 + ... + 16384.

It is an arithmetic number, because the mean of its divisors is an integer number (10447620).

Almost surely, 2^100888225 is an apocalyptic number.

It is an amenable number.

100888225 is a deficient number, since it is larger than the sum of its proper divisors (24483215).

100888225 is an equidigital number, since it uses as much as digits as its factorization.

100888225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8720 (or 8715 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 34.

The square root of 100888225 is about 10044.3130676020. The cubic root of 100888225 is about 465.5290928995.

The spelling of 100888225 in words is "one hundred million, eight hundred eighty-eight thousand, two hundred twenty-five".