3225231520 has 192 divisors, whose sum is σ = 9101030400. Its totient is φ = 1056706560.

The previous prime is 3225231479. The next prime is 3225231533. The reversal of 3225231520 is 251325223.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3539865 + ... + 3540775.

It is an arithmetic number, because the mean of its divisors is an integer number (47401200).

Almost surely, 2^3225231520 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 3225231520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4550515200).

3225231520 is an abundant number, since it is smaller than the sum of its proper divisors (5875798880).

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

3225231520 is a wasteful number, since it uses less digits than its factorization.

3225231520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071 (or 1063 counting only the distinct ones).

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

The square root of 3225231520 is about 56791.1218413583. The cubic root of 3225231520 is about 1477.4755357201.

Adding to 3225231520 its reverse (251325223), we get a palindrome (3476556743).

The spelling of 3225231520 in words is "three billion, two hundred twenty-five million, two hundred thirty-one thousand, five hundred twenty".