1003221245225 has 12 divisors (see below), whose sum is σ = 1317170482524. Its totient is φ = 755366584320.

The previous prime is 1003221245179. The next prime is 1003221245237. The reversal of 1003221245225 is 5225421223001.

It is a happy number.

1003221245225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 37553401369 + 965667843856 = 193787^2 + 982684^2 .

It is not a de Polignac number, because 1003221245225 - 2¹⁸ = 1003220983081 is a prime.

It is a Duffinian number.

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, 1180259864 + ... + 1180260713.

It is an arithmetic number, because the mean of its divisors is an integer number (109764206877).

Almost surely, 2^{1003221245225} is an apocalyptic number.

It is an amenable number.

1003221245225 is a deficient number, since it is larger than the sum of its proper divisors (313949237299).

1003221245225 is a wasteful number, since it uses less digits than its factorization.

1003221245225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2360520604 (or 2360520599 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 1003221245225 its reverse (5225421223001), we get a palindrome (6228642468226).

The spelling of 1003221245225 in words is "one trillion, three billion, two hundred twenty-one million, two hundred forty-five thousand, two hundred twenty-five".