22524225 has 12 divisors (see below), whose sum is σ = 37240176. Its totient is φ = 12012880.

The previous prime is 22524193. The next prime is 22524239. The reversal of 22524225 is 52242522.

It is a happy number.

It is not a de Polignac number, because 22524225 - 2⁵ = 22524193 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 22524195 and 22524204.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 150087 + ... + 150236.

It is an arithmetic number, because the mean of its divisors is an integer number (3103348).

Almost surely, 2^22524225 is an apocalyptic number.

22524225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22524225 is a deficient number, since it is larger than the sum of its proper divisors (14715951).

22524225 is a wasteful number, since it uses less digits than its factorization.

22524225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300336 (or 300331 counting only the distinct ones).

The product of its digits is 3200, while the sum is 24.

The square root of 22524225 is about 4745.9693425053. The cubic root of 22524225 is about 282.4120905365.

Adding to 22524225 its reverse (52242522), we get a palindrome (74766747).

The spelling of 22524225 in words is "twenty-two million, five hundred twenty-four thousand, two hundred twenty-five".