12225025 has 6 divisors (see below), whose sum is σ = 15159062. Its totient is φ = 9780000.

The previous prime is 12224981. The next prime is 12225041. The reversal of 12225025 is 52052221.

It can be written as a sum of positive squares in 3 ways, for example, as 4068289 + 8156736 = 2017^2 + 2856^2 .

It is not a de Polignac number, because 12225025 - 2⁷ = 12224897 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12224993 and 12225011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 244476 + ... + 244525.

Almost surely, 2^12225025 is an apocalyptic number.

It is an amenable number.

12225025 is a deficient number, since it is larger than the sum of its proper divisors (2934037).

12225025 is an equidigital number, since it uses as much as digits as its factorization.

12225025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489011 (or 489006 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 12225025 is about 3496.4303224861. The cubic root of 12225025 is about 230.3650472734.

Adding to 12225025 its reverse (52052221), we get a palindrome (64277246).

The spelling of 12225025 in words is "twelve million, two hundred twenty-five thousand, twenty-five".