4244225 has 6 divisors (see below), whose sum is σ = 5262870. Its totient is φ = 3395360.

The previous prime is 4244221. The next prime is 4244299. The reversal of 4244225 is 5224424.

4244225 is nontrivially palindromic in base 4.

It can be written as a sum of positive squares in 3 ways, for example, as 1478656 + 2765569 = 1216^2 + 1663^2 .

It is not a de Polignac number, because 4244225 - 2² = 4244221 is a prime.

It is a d-powerful number, because it can be written as 4 + 2⁷ + 4⁷ + 4¹¹ + 2⁹ + 2¹⁵ + 5³ .

It is a self number, because there is not a number n which added to its sum of digits gives 4244225.

It is not an unprimeable number, because it can be changed into a prime (4244221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 84860 + ... + 84909.

It is an arithmetic number, because the mean of its divisors is an integer number (877145).

Almost surely, 2^4244225 is an apocalyptic number.

It is an amenable number.

4244225 is a deficient number, since it is larger than the sum of its proper divisors (1018645).

4244225 is a wasteful number, since it uses less digits than its factorization.

4244225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169779 (or 169774 counting only the distinct ones).

The product of its digits is 2560, while the sum is 23.

The square root of 4244225 is about 2060.1516934440. The cubic root of 4244225 is about 161.9071891285.

Adding to 4244225 its reverse (5224424), we get a palindrome (9468649).

The spelling of 4244225 in words is "four million, two hundred forty-four thousand, two hundred twenty-five".