3221122300 has 144 divisors (see below), whose sum is σ = 7819499520. Its totient is φ = 1141920000.

The previous prime is 3221122279. The next prime is 3221122343. The reversal of 3221122300 is 32211223.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8776717 + ... + 8777083.

It is an arithmetic number, because the mean of its divisors is an integer number (54302080).

Almost surely, 2^3221122300 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 3221122300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3909749760).

3221122300 is an abundant number, since it is smaller than the sum of its proper divisors (4598377220).

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

3221122300 is a wasteful number, since it uses less digits than its factorization.

3221122300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572 (or 565 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 3221122300 is about 56754.9319442813. The cubic root of 3221122300 is about 1476.8477924352.

Adding to 3221122300 its reverse (32211223), we get a palindrome (3253333523).

3221122300 divided by its reverse (32211223) gives a square (100 = 10²).

It can be divided in two parts, 3221 and 122300, that added together give a palindrome (125521).

The spelling of 3221122300 in words is "three billion, two hundred twenty-one million, one hundred twenty-two thousand, three hundred".