22524425 has 24 divisors (see below), whose sum is σ = 34825152. Its totient is φ = 14040000.

The previous prime is 22524413. The next prime is 22524431. The reversal of 22524425 is 52442522.

It is not a de Polignac number, because 22524425 - 2⁴ = 22524409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22524394 and 22524403.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3926 + ... + 7775.

It is an arithmetic number, because the mean of its divisors is an integer number (1451048).

Almost surely, 2^22524425 is an apocalyptic number.

22524425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22524425 is a deficient number, since it is larger than the sum of its proper divisors (12300727).

22524425 is a wasteful number, since it uses less digits than its factorization.

22524425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11729 (or 11724 counting only the distinct ones).

The product of its digits is 6400, while the sum is 26.

The square root of 22524425 is about 4745.9904129697. The cubic root of 22524425 is about 282.4129264106.

Adding to 22524425 its reverse (52442522), we get a palindrome (74966947).

The spelling of 22524425 in words is "twenty-two million, five hundred twenty-four thousand, four hundred twenty-five".