1044220225 has 12 divisors (see below), whose sum is σ = 1295234560. Its totient is φ = 835117200.

The previous prime is 1044220211. The next prime is 1044220249. The reversal of 1044220225 is 5220224401.

1044220225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1044220225 - 2⁷ = 1044220097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1044220196 and 1044220205.

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, 148540 + ... + 155410.

Almost surely, 2^1044220225 is an apocalyptic number.

It is an amenable number.

1044220225 is a deficient number, since it is larger than the sum of its proper divisors (251014335).

1044220225 is an equidigital number, since it uses as much as digits as its factorization.

1044220225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12960 (or 12955 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 1044220225 is about 32314.3965594284. The cubic root of 1044220225 is about 1014.5279903905.

Adding to 1044220225 its reverse (5220224401), we get a palindrome (6264444626).

The spelling of 1044220225 in words is "one billion, forty-four million, two hundred twenty thousand, two hundred twenty-five".