22523125 has 10 divisors (see below), whose sum is σ = 28145678. Its totient is φ = 18018000.

The previous prime is 22523119. The next prime is 22523173. The reversal of 22523125 is 52132522.

It can be written as a sum of positive squares in 5 ways, for example, as 14002564 + 8520561 = 3742^2 + 2919^2 .

It is not a de Polignac number, because 22523125 - 2⁹ = 22522613 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22523096 and 22523105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 17394 + ... + 18643.

Almost surely, 2^22523125 is an apocalyptic number.

22523125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22523125 is a deficient number, since it is larger than the sum of its proper divisors (5622553).

22523125 is an frugal number, since it uses more digits than its factorization.

22523125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36057 (or 36042 counting only the distinct ones).

The product of its digits is 1200, while the sum is 22.

The square root of 22523125 is about 4745.8534532790. The cubic root of 22523125 is about 282.4074931403.

Adding to 22523125 its reverse (52132522), we get a palindrome (74655647).

The spelling of 22523125 in words is "twenty-two million, five hundred twenty-three thousand, one hundred twenty-five".