3225256420 has 48 divisors (see below), whose sum is σ = 7103593728. Its totient is φ = 1227712640.

The previous prime is 3225256379. The next prime is 3225256457. The reversal of 3225256420 is 246525223.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72825 + ... + 108415.

It is an arithmetic number, because the mean of its divisors is an integer number (147991536).

Almost surely, 2^3225256420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3225256420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3551796864).

3225256420 is an abundant number, since it is smaller than the sum of its proper divisors (3878337308).

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

3225256420 is a wasteful number, since it uses less digits than its factorization.

3225256420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35820 (or 35818 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 3225256420 is about 56791.3410653420. The cubic root of 3225256420 is about 1477.4793379325.

The spelling of 3225256420 in words is "three billion, two hundred twenty-five million, two hundred fifty-six thousand, four hundred twenty".