2444650225 has 12 divisors (see below), whose sum is σ = 3033561420. Its totient is φ = 1954304000.

The previous prime is 2444650223. The next prime is 2444650253. The reversal of 2444650225 is 5220564442.

It can be written as a sum of positive squares in 6 ways, for example, as 360088576 + 2084561649 = 18976^2 + 45657^2 .

It is not a de Polignac number, because 2444650225 - 2¹ = 2444650223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2444650223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 525 + ... + 69925.

It is an arithmetic number, because the mean of its divisors is an integer number (252796785).

Almost surely, 2^2444650225 is an apocalyptic number.

2444650225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2444650225 is a deficient number, since it is larger than the sum of its proper divisors (588911195).

2444650225 is a wasteful number, since it uses less digits than its factorization.

2444650225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70820 (or 70815 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 34.

The square root of 2444650225 is about 49443.4042618427. The cubic root of 2444650225 is about 1347.1178062051.

The spelling of 2444650225 in words is "two billion, four hundred forty-four million, six hundred fifty thousand, two hundred twenty-five".