244644425 has 6 divisors (see below), whose sum is σ = 303359118. Its totient is φ = 195715520.

The previous prime is 244644419. The next prime is 244644443. The reversal of 244644425 is 524446442.

It can be written as a sum of positive squares in 3 ways, for example, as 39037504 + 205606921 = 6248^2 + 14339^2 .

It is not a de Polignac number, because 244644425 - 2¹² = 244640329 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4892864 + ... + 4892913.

It is an arithmetic number, because the mean of its divisors is an integer number (50559853).

Almost surely, 2^244644425 is an apocalyptic number.

244644425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

244644425 is a deficient number, since it is larger than the sum of its proper divisors (58714693).

244644425 is an equidigital number, since it uses as much as digits as its factorization.

244644425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9785787 (or 9785782 counting only the distinct ones).

The product of its digits is 122880, while the sum is 35.

The square root of 244644425 is about 15641.1132915787. The cubic root of 244644425 is about 625.4296139566.

The spelling of 244644425 in words is "two hundred forty-four million, six hundred forty-four thousand, four hundred twenty-five".