1004244225 has 24 divisors (see below), whose sum is σ = 1713914112. Its totient is φ = 518318400.

The previous prime is 1004244209. The next prime is 1004244229. The reversal of 1004244225 is 5224424001.

It is a happy number.

It is not a de Polignac number, because 1004244225 - 2⁴ = 1004244209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1004244195 and 1004244204.

It is not an unprimeable number, because it can be changed into a prime (1004244229) 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, 213642 + ... + 218291.

It is an arithmetic number, because the mean of its divisors is an integer number (71413088).

Almost surely, 2^1004244225 is an apocalyptic number.

1004244225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1004244225 is a deficient number, since it is larger than the sum of its proper divisors (709669887).

1004244225 is a wasteful number, since it uses less digits than its factorization.

1004244225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431977 (or 431972 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 1004244225 is about 31689.8126375023. The cubic root of 1004244225 is about 1001.4127448787.

Adding to 1004244225 its reverse (5224424001), we get a palindrome (6228668226).

The spelling of 1004244225 in words is "one billion, four million, two hundred forty-four thousand, two hundred twenty-five".