3520223325 has 18 divisors (see below), whose sum is σ = 6305111514. Its totient is φ = 1877452320.

The previous prime is 3520223299. The next prime is 3520223351. The reversal of 3520223325 is 5233220253.

3520223325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3520223299) and next prime (3520223351).

It can be written as a sum of positive squares in 3 ways, for example, as 805083876 + 2715139449 = 28374^2 + 52107^2 .

It is not a de Polignac number, because 3520223325 - 2¹⁰ = 3520222301 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7822494 + ... + 7822943.

It is an arithmetic number, because the mean of its divisors is an integer number (350283973).

Almost surely, 2^3520223325 is an apocalyptic number.

It is an amenable number.

3520223325 is a deficient number, since it is larger than the sum of its proper divisors (2784888189).

3520223325 is a wasteful number, since it uses less digits than its factorization.

3520223325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15645453 (or 15645445 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 27.

The square root of 3520223325 is about 59331.4699379680. The cubic root of 3520223325 is about 1521.2131538651.

Adding to 3520223325 its reverse (5233220253), we get a palindrome (8753443578).

The spelling of 3520223325 in words is "three billion, five hundred twenty million, two hundred twenty-three thousand, three hundred twenty-five".