3305221304625 has 128 divisors (see below), whose sum is σ = 6592546920960. Its totient is φ = 1627786368000.

The previous prime is 3305221304603. The next prime is 3305221304657. The reversal of 3305221304625 is 5264031225033.

3305221304625 is a `hidden beast` number, since 3 + 3 + 0 + 5 + 2 + 21 + 3 + 0 + 4 + 625 = 666.

It is not a de Polignac number, because 3305221304625 - 2²⁷ = 3305087086897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3305221304625.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2497410 + ... + 3584340.

It is an arithmetic number, because the mean of its divisors is an integer number (51504272820).

Almost surely, 2^{3305221304625} is an apocalyptic number.

It is an amenable number.

3305221304625 is a deficient number, since it is larger than the sum of its proper divisors (3287325616335).

3305221304625 is a wasteful number, since it uses less digits than its factorization.

3305221304625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087025 (or 1087009 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

Adding to 3305221304625 its reverse (5264031225033), we get a palindrome (8569252529658).

The spelling of 3305221304625 in words is "three trillion, three hundred five billion, two hundred twenty-one million, three hundred four thousand, six hundred twenty-five".