3223355240 has 96 divisors (see below), whose sum is σ = 8803572480. Its totient is φ = 1057085568.

The previous prime is 3223355237. The next prime is 3223355243. The reversal of 3223355240 is 425533223.

It is an interprime number because it is at equal distance from previous prime (3223355237) and next prime (3223355243).

It is a super-3 number, since 3×3223355240³ (a number of 30 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (3223355243) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 9329 + ... + 80831.

It is an arithmetic number, because the mean of its divisors is an integer number (91703880).

Almost surely, 2^3223355240 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 3223355240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4401786240).

3223355240 is an abundant number, since it is smaller than the sum of its proper divisors (5580217240).

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

3223355240 is a wasteful number, since it uses less digits than its factorization.

3223355240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71551 (or 71540 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 29.

The square root of 3223355240 is about 56774.6003068273. The cubic root of 3223355240 is about 1477.1889727739.

Adding to 3223355240 its reverse (425533223), we get a palindrome (3648888463).

The spelling of 3223355240 in words is "three billion, two hundred twenty-three million, three hundred fifty-five thousand, two hundred forty".