3221125300 has 18 divisors (see below), whose sum is σ = 6989842118. Its totient is φ = 1288450080.

The previous prime is 3221125289. The next prime is 3221125301. The reversal of 3221125300 is 35211223.

It can be written as a sum of positive squares in 3 ways, for example, as 17338896 + 3203786404 = 4164^2 + 56602^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221125301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16105527 + ... + 16105726.

Almost surely, 2^3221125300 is an apocalyptic number.

It is an amenable number.

3221125300 is an abundant number, since it is smaller than the sum of its proper divisors (3768716818).

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

3221125300 is a wasteful number, since it uses less digits than its factorization.

3221125300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32211267 (or 32211260 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 3221125300 is about 56754.9583736963. The cubic root of 3221125300 is about 1476.8482509236.

Adding to 3221125300 its reverse (35211223), we get a palindrome (3256336523).

The spelling of 3221125300 in words is "three billion, two hundred twenty-one million, one hundred twenty-five thousand, three hundred".