22536325 has 18 divisors (see below), whose sum is σ = 32509266. Its totient is φ = 15452640.

The previous prime is 22536317. The next prime is 22536329. The reversal of 22536325 is 52363522.

It can be written as a sum of positive squares in 3 ways, for example, as 4955076 + 17581249 = 2226^2 + 4193^2 .

It is not a de Polignac number, because 22536325 - 2³ = 22536317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22536293 and 22536302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22536329) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7974 + ... + 10423.

Almost surely, 2^22536325 is an apocalyptic number.

22536325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22536325 is a deficient number, since it is larger than the sum of its proper divisors (9972941).

22536325 is a wasteful number, since it uses less digits than its factorization.

22536325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18421 (or 18409 counting only the distinct ones).

The product of its digits is 10800, while the sum is 28.

The square root of 22536325 is about 4747.2439372756. The cubic root of 22536325 is about 282.4626520183.

Adding to 22536325 its reverse (52363522), we get a palindrome (74899847).

The spelling of 22536325 in words is "twenty-two million, five hundred thirty-six thousand, three hundred twenty-five".