3220109525 has 12 divisors (see below), whose sum is σ = 3993651012. Its totient is φ = 2575626240.

The previous prime is 3220109521. The next prime is 3220109551. The reversal of 3220109525 is 5259010223.

It can be written as a sum of positive squares in 6 ways, for example, as 16662724 + 3203446801 = 4082^2 + 56599^2 .

It is not a de Polignac number, because 3220109525 - 2² = 3220109521 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220109521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 230027 + ... + 243623.

It is an arithmetic number, because the mean of its divisors is an integer number (332804251).

Almost surely, 2^3220109525 is an apocalyptic number.

It is an amenable number.

3220109525 is a deficient number, since it is larger than the sum of its proper divisors (773541487).

3220109525 is a wasteful number, since it uses less digits than its factorization.

3220109525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23080 (or 23075 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 3220109525 is about 56746.0088904938. The cubic root of 3220109525 is about 1476.6929942861.

Adding to 3220109525 its reverse (5259010223), we get a palindrome (8479119748).

The spelling of 3220109525 in words is "three billion, two hundred twenty million, one hundred nine thousand, five hundred twenty-five".