1444130225 has 24 divisors (see below), whose sum is σ = 1834168320. Its totient is φ = 1127419520.

The previous prime is 1444130221. The next prime is 1444130227. The reversal of 1444130225 is 5220314441.

It is not a de Polignac number, because 1444130225 - 2² = 1444130221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1444130194 and 1444130203.

It is not an unprimeable number, because it can be changed into a prime (1444130221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 448421 + ... + 451629.

It is an arithmetic number, because the mean of its divisors is an integer number (76423680).

Almost surely, 2^1444130225 is an apocalyptic number.

It is an amenable number.

1444130225 is a deficient number, since it is larger than the sum of its proper divisors (390038095).

1444130225 is a wasteful number, since it uses less digits than its factorization.

1444130225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3649 (or 3644 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 1444130225 is about 38001.7134482118. The cubic root of 1444130225 is about 1130.3218403494.

Adding to 1444130225 its reverse (5220314441), we get a palindrome (6664444666).

The spelling of 1444130225 in words is "one billion, four hundred forty-four million, one hundred thirty thousand, two hundred twenty-five".