224525 has 12 divisors (see below), whose sum is σ = 318432. Its totient is φ = 153840.

The previous prime is 224513. The next prime is 224527. The reversal of 224525 is 525422.

It is not a de Polignac number, because 224525 - 2⁶ = 224461 is a prime.

It is a super-2 number, since 2×224525² = 100822951250, which contains 22 as substring.

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 = 224497 and 224506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 467 + ... + 816.

It is an arithmetic number, because the mean of its divisors is an integer number (26536).

2²²⁴⁵²⁵ is an apocalyptic number.

224525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

224525 is a deficient number, since it is larger than the sum of its proper divisors (93907).

224525 is a wasteful number, since it uses less digits than its factorization.

224525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1300 (or 1295 counting only the distinct ones).

The product of its digits is 800, while the sum is 20.

The square root of 224525 is about 473.8406905279. The cubic root of 224525 is about 60.7791891207.

Adding to 224525 its reverse (525422), we get a palindrome (749947).

The spelling of 224525 in words is "two hundred twenty-four thousand, five hundred twenty-five".