4224525 has 48 divisors (see below), whose sum is σ = 7618560. Its totient is φ = 2059200.

The previous prime is 4224511. The next prime is 4224529. The reversal of 4224525 is 5254224.

It is a happy number.

It is not a de Polignac number, because 4224525 - 2⁶ = 4224461 is a prime.

It is a super-2 number, since 2×4224525² = 35693222951250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4224495 and 4224504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4224529) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 53436 + ... + 53514.

It is an arithmetic number, because the mean of its divisors is an integer number (158720).

Almost surely, 2^4224525 is an apocalyptic number.

It is an amenable number.

4224525 is a deficient number, since it is larger than the sum of its proper divisors (3394035).

4224525 is a wasteful number, since it uses less digits than its factorization.

4224525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 141 counting only the distinct ones).

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

The square root of 4224525 is about 2055.3649311010. The cubic root of 4224525 is about 161.6562976782.

Adding to 4224525 its reverse (5254224), we get a palindrome (9478749).

The spelling of 4224525 in words is "four million, two hundred twenty-four thousand, five hundred twenty-five".