3221125350 has 96 divisors (see below), whose sum is σ = 8166977280. Its totient is φ = 839879040.

The previous prime is 3221125301. The next prime is 3221125351. The reversal of 3221125350 is 535211223.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3221125350.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221125351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3330567 + ... + 3331533.

It is an arithmetic number, because the mean of its divisors is an integer number (85072680).

Almost surely, 2^3221125350 is an apocalyptic number.

3221125350 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3221125350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4083488640).

3221125350 is an abundant number, since it is smaller than the sum of its proper divisors (4945851930).

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

3221125350 is a wasteful number, since it uses less digits than its factorization.

3221125350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454 (or 1449 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 3221125350 is about 56754.9588141864. The cubic root of 3221125350 is about 1476.8482585651.

Adding to 3221125350 its reverse (535211223), we get a palindrome (3756336573).

The spelling of 3221125350 in words is "three billion, two hundred twenty-one million, one hundred twenty-five thousand, three hundred fifty".