3255220224 has 288 divisors, whose sum is σ = 10112094720. Its totient is φ = 1045094400.

The previous prime is 3255220223. The next prime is 3255220229. The reversal of 3255220224 is 4220225523.

It is a tau number, because it is divible by the number of its divisors (288).

It is a super-2 number, since 2×3255220224² = 21192917413477220352, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3255220223) 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, 15427479 + ... + 15427689.

It is an arithmetic number, because the mean of its divisors is an integer number (35111440).

Almost surely, 2^3255220224 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 3255220224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5056047360).

3255220224 is an abundant number, since it is smaller than the sum of its proper divisors (6856874496).

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

3255220224 is an equidigital number, since it uses as much as digits as its factorization.

3255220224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279 (or 247 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 3255220224 is about 57054.5372779414. The cubic root of 3255220224 is about 1482.0406814055.

Adding to 3255220224 its reverse (4220225523), we get a palindrome (7475445747).

The spelling of 3255220224 in words is "three billion, two hundred fifty-five million, two hundred twenty thousand, two hundred twenty-four".