3220145325 has 36 divisors (see below), whose sum is σ = 5813104128. Its totient is φ = 1703872800.

The previous prime is 3220145317. The next prime is 3220145333. The reversal of 3220145325 is 5235410223.

It is a happy number.

3220145325 is a `hidden beast` number, since 3 + 2 + 201 + 453 + 2 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (3220145317) and next prime (3220145333).

It is not a de Polignac number, because 3220145325 - 2³ = 3220145317 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 27771 + ... + 84920.

Almost surely, 2^3220145325 is an apocalyptic number.

It is an amenable number.

3220145325 is a deficient number, since it is larger than the sum of its proper divisors (2592958803).

3220145325 is a wasteful number, since it uses less digits than its factorization.

3220145325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112834 (or 112826 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 3220145325 is about 56746.3243303035. The cubic root of 3220145325 is about 1476.6984667101.

Adding to 3220145325 its reverse (5235410223), we get a palindrome (8455555548).

The spelling of 3220145325 in words is "three billion, two hundred twenty million, one hundred forty-five thousand, three hundred twenty-five".