324242225 has 12 divisors (see below), whose sum is σ = 402290844. Its totient is φ = 259245120.

The previous prime is 324242221. The next prime is 324242273. The reversal of 324242225 is 522242423.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 6974881 + 317267344 = 2641^2 + 17812^2 .

It is not a de Polignac number, because 324242225 - 2² = 324242221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 324242194 and 324242203.

It is not an unprimeable number, because it can be changed into a prime (324242221) 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, 67607 + ... + 72243.

It is an arithmetic number, because the mean of its divisors is an integer number (33524237).

Almost surely, 2^324242225 is an apocalyptic number.

It is an amenable number.

324242225 is a deficient number, since it is larger than the sum of its proper divisors (78048619).

324242225 is a wasteful number, since it uses less digits than its factorization.

324242225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7444 (or 7439 counting only the distinct ones).

The product of its digits is 7680, while the sum is 26.

The square root of 324242225 is about 18006.7272151271. The cubic root of 324242225 is about 686.9996624070. Note that the first 3 decimals are identical.

Adding to 324242225 its reverse (522242423), we get a palindrome (846484648).

The spelling of 324242225 in words is "three hundred twenty-four million, two hundred forty-two thousand, two hundred twenty-five".