3221255025 has 18 divisors (see below), whose sum is σ = 5769626070. Its totient is φ = 1718002560.

The previous prime is 3221254997. The next prime is 3221255033. The reversal of 3221255025 is 5205521223.

3221255025 is a `hidden beast` number, since 32 + 2 + 125 + 502 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 414692496 + 2806562529 = 20364^2 + 52977^2 .

It is not a de Polignac number, because 3221255025 - 2⁸ = 3221254769 is a prime.

It is a super-3 number, since 3×3221255025³ (a number of 30 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3221255025.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7158120 + ... + 7158569.

Almost surely, 2^3221255025 is an apocalyptic number.

It is an amenable number.

3221255025 is a deficient number, since it is larger than the sum of its proper divisors (2548371045).

3221255025 is a wasteful number, since it uses less digits than its factorization.

3221255025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14316705 (or 14316697 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 3221255025 is about 56756.1012138783. The cubic root of 3221255025 is about 1476.8680764555.

Adding to 3221255025 its reverse (5205521223), we get a palindrome (8426776248).

The spelling of 3221255025 in words is "three billion, two hundred twenty-one million, two hundred fifty-five thousand, twenty-five".