3221745504 has 96 divisors (see below), whose sum is σ = 8657591040. Its totient is φ = 1048699392.

The previous prime is 3221745491. The next prime is 3221745523. The reversal of 3221745504 is 4055471223.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

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, 887437 + ... + 891059.

It is an arithmetic number, because the mean of its divisors is an integer number (90183240).

Almost surely, 2^3221745504 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 3221745504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4328795520).

3221745504 is an abundant number, since it is smaller than the sum of its proper divisors (5435845536).

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

3221745504 is a wasteful number, since it uses less digits than its factorization.

3221745504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3852 (or 3844 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 3221745504 is about 56760.4219857464. The cubic root of 3221745504 is about 1476.9430302660.

The spelling of 3221745504 in words is "three billion, two hundred twenty-one million, seven hundred forty-five thousand, five hundred four".