3223525320 has 96 divisors (see below), whose sum is σ = 10502551800. Its totient is φ = 857465856.

The previous prime is 3223525301. The next prime is 3223525321. The reversal of 3223525320 is 235253223.

It can be written as a sum of positive squares in 4 ways, for example, as 3199259844 + 24265476 = 56562^2 + 4926^2 .

It is a super-2 number, since 2×3223525320² = 20782230977362204800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3223525321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 136294 + ... + 158186.

Almost surely, 2^3223525320 is an apocalyptic number.

3223525320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3223525320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5251275900).

3223525320 is an abundant number, since it is smaller than the sum of its proper divisors (7279026480).

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

3223525320 is a wasteful number, since it uses less digits than its factorization.

3223525320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22319 (or 22312 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 27.

The square root of 3223525320 is about 56776.0981399744. The cubic root of 3223525320 is about 1477.2149535571.

Adding to 3223525320 its reverse (235253223), we get a palindrome (3458778543).

The spelling of 3223525320 in words is "three billion, two hundred twenty-three million, five hundred twenty-five thousand, three hundred twenty".