10100225 has 6 divisors (see below), whose sum is σ = 12524310. Its totient is φ = 8080160.

The previous prime is 10100221. The next prime is 10100249. The reversal of 10100225 is 52200101.

It can be written as a sum of positive squares in 3 ways, for example, as 3214849 + 6885376 = 1793^2 + 2624^2 .

It is not a de Polignac number, because 10100225 - 2² = 10100221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10100221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 201980 + ... + 202029.

It is an arithmetic number, because the mean of its divisors is an integer number (2087385).

Almost surely, 2^10100225 is an apocalyptic number.

It is an amenable number.

10100225 is a deficient number, since it is larger than the sum of its proper divisors (2424085).

10100225 is an equidigital number, since it uses as much as digits as its factorization.

10100225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404019 (or 404014 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 10100225 is about 3178.0851152856. The cubic root of 10100225 is about 216.1608384254.

Adding to 10100225 its reverse (52200101), we get a palindrome (62300326).

The spelling of 10100225 in words is "ten million, one hundred thousand, two hundred twenty-five".