244643225 has 12 divisors (see below), whose sum is σ = 309813504. Its totient is φ = 191549520.

The previous prime is 244643207. The next prime is 244643239. The reversal of 244643225 is 522346442.

It is a happy number.

It is not a de Polignac number, because 244643225 - 2¹⁴ = 244626841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 244643191 and 244643200.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102929 + ... + 105278.

It is an arithmetic number, because the mean of its divisors is an integer number (25817792).

Almost surely, 2^244643225 is an apocalyptic number.

244643225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

244643225 is a deficient number, since it is larger than the sum of its proper divisors (65170279).

244643225 is a wasteful number, since it uses less digits than its factorization.

244643225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208264 (or 208259 counting only the distinct ones).

The product of its digits is 46080, while the sum is 32.

The square root of 244643225 is about 15641.0749310909. The cubic root of 244643225 is about 625.4285913613.

Adding to 244643225 its reverse (522346442), we get a palindrome (766989667).

The spelling of 244643225 in words is "two hundred forty-four million, six hundred forty-three thousand, two hundred twenty-five".