22560225 has 24 divisors (see below), whose sum is σ = 37488672. Its totient is φ = 11971200.

The previous prime is 22560211. The next prime is 22560227. The reversal of 22560225 is 52206522.

It is not a de Polignac number, because 22560225 - 2¹¹ = 22558177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22560195 and 22560204.

It is not an unprimeable number, because it can be changed into a prime (22560227) 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 23 ways as a sum of consecutive naturals, for example, 16830 + ... + 18120.

It is an arithmetic number, because the mean of its divisors is an integer number (1562028).

Almost surely, 2^22560225 is an apocalyptic number.

22560225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22560225 is a deficient number, since it is larger than the sum of its proper divisors (14928447).

22560225 is a wasteful number, since it uses less digits than its factorization.

22560225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537 (or 1532 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 22560225 is about 4749.7605202789. The cubic root of 22560225 is about 282.5624682385.

Adding to 22560225 its reverse (52206522), we get a palindrome (74766747).

The spelling of 22560225 in words is "twenty-two million, five hundred sixty thousand, two hundred twenty-five".