3225818730 has 32 divisors (see below), whose sum is σ = 7951209984. Its totient is φ = 836968896.

The previous prime is 3225818719. The next prime is 3225818753. The reversal of 3225818730 is 378185223.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1451962 + ... + 1454181.

It is an arithmetic number, because the mean of its divisors is an integer number (248475312).

Almost surely, 2^3225818730 is an apocalyptic number.

3225818730 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3225818730 is an abundant number, since it is smaller than the sum of its proper divisors (4725391254).

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

3225818730 is a wasteful number, since it uses less digits than its factorization.

3225818730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2906190.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 3225818730 is about 56796.2915162601. The cubic root of 3225818730 is about 1477.5651970623.

The spelling of 3225818730 in words is "three billion, two hundred twenty-five million, eight hundred eighteen thousand, seven hundred thirty".