15560225 has 12 divisors (see below), whose sum is σ = 19415424. Its totient is φ = 12370320.

The previous prime is 15560201. The next prime is 15560227. The reversal of 15560225 is 52206551.

It is a de Polignac number, because none of the positive numbers 2^k-15560225 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15560194 and 15560203.

It is not an unprimeable number, because it can be changed into a prime (15560227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2312 + ... + 6038.

It is an arithmetic number, because the mean of its divisors is an integer number (1617952).

Almost surely, 2^15560225 is an apocalyptic number.

It is an amenable number.

15560225 is a deficient number, since it is larger than the sum of its proper divisors (3855199).

15560225 is a wasteful number, since it uses less digits than its factorization.

15560225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3904 (or 3899 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 15560225 is about 3944.6451044422. The cubic root of 15560225 is about 249.6540548419.

Adding to 15560225 its reverse (52206551), we get a palindrome (67766776).

The spelling of 15560225 in words is "fifteen million, five hundred sixty thousand, two hundred twenty-five".