100344225 has 48 divisors (see below), whose sum is σ = 177409280. Its totient is φ = 49896000.

The previous prime is 100344173. The next prime is 100344227. The reversal of 100344225 is 522443001.

It is not a de Polignac number, because 100344225 - 2⁹ = 100343713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100344227) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 94950 + ... + 96000.

Almost surely, 2^100344225 is an apocalyptic number.

100344225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100344225 is a deficient number, since it is larger than the sum of its proper divisors (77065055).

100344225 is a wasteful number, since it uses less digits than its factorization.

100344225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150 (or 1145 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 100344225 is about 10017.1964640812. The cubic root of 100344225 is about 464.6908570706.

Adding to 100344225 its reverse (522443001), we get a palindrome (622787226).

The spelling of 100344225 in words is "one hundred million, three hundred forty-four thousand, two hundred twenty-five".