100430225 has 12 divisors (see below), whose sum is σ = 142324224. Its totient is φ = 68866320.

The previous prime is 100430221. The next prime is 100430227. The reversal of 100430225 is 522034001.

It is not a de Polignac number, because 100430225 - 2² = 100430221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100430221) 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, 286769 + ... + 287118.

It is an arithmetic number, because the mean of its divisors is an integer number (11860352).

Almost surely, 2^100430225 is an apocalyptic number.

It is an amenable number.

100430225 is a deficient number, since it is larger than the sum of its proper divisors (41893999).

100430225 is an equidigital number, since it uses as much as digits as its factorization.

100430225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573904 (or 573899 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 100430225 is about 10021.4881629427. The cubic root of 100430225 is about 464.8235735682.

Adding to 100430225 its reverse (522034001), we get a palindrome (622464226).

The spelling of 100430225 in words is "one hundred million, four hundred thirty thousand, two hundred twenty-five".