4244245 has 4 divisors (see below), whose sum is σ = 5093100. Its totient is φ = 3395392.

The previous prime is 4244221. The next prime is 4244299. The reversal of 4244245 is 5424424.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1306449 + 2937796 = 1143^2 + 1714^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4244245 is a prime.

It is a d-powerful number, because it can be written as 4² + 2⁹ + 4⁴ + 4⁷ + 2¹⁵ + 4¹¹ + 5 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424420 + ... + 424429.

It is an arithmetic number, because the mean of its divisors is an integer number (1273275).

Almost surely, 2^4244245 is an apocalyptic number.

It is an amenable number.

4244245 is a deficient number, since it is larger than the sum of its proper divisors (848855).

4244245 is an equidigital number, since it uses as much as digits as its factorization.

4244245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848854.

The product of its digits is 5120, while the sum is 25.

The square root of 4244245 is about 2060.1565474497. The cubic root of 4244245 is about 161.9074434457.

Adding to 4244245 its reverse (5424424), we get a palindrome (9668669).

It can be divided in two parts, 4244 and 245, that added together give a square (4489 = 67²).

The spelling of 4244245 in words is "four million, two hundred forty-four thousand, two hundred forty-five".