3520225600 has 42 divisors (see below), whose sum is σ = 8661959054. Its totient is φ = 1408089600.

The previous prime is 3520225561. The next prime is 3520225613. The reversal of 3520225600 is 65220253.

It can be written as a sum of positive squares in 3 ways, for example, as 8952064 + 3511273536 = 2992^2 + 59256^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1098471 + ... + 1101670.

Almost surely, 2^3520225600 is an apocalyptic number.

It is an amenable number.

3520225600 is an abundant number, since it is smaller than the sum of its proper divisors (5141733454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3520225600 is a wasteful number, since it uses less digits than its factorization.

3520225600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2200163 (or 2200148 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 3520225600 is about 59331.4891099153. The cubic root of 3520225600 is about 1521.2134815677.

Adding to 3520225600 its reverse (65220253), we get a palindrome (3585445853).

The spelling of 3520225600 in words is "three billion, five hundred twenty million, two hundred twenty-five thousand, six hundred".