3221112300 has 144 divisors (see below), whose sum is σ = 10670150400. Its totient is φ = 734941440.

The previous prime is 3221112287. The next prime is 3221112311. The reversal of 3221112300 is 32111223.

It is a super-2 number, since 2×3221112300² = 20751128898422580000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 3221112300.

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, 1651726 + ... + 1653674.

Almost surely, 2^3221112300 is an apocalyptic number.

3221112300 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3221112300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5335075200).

3221112300 is an abundant number, since it is smaller than the sum of its proper divisors (7449038100).

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

3221112300 is a wasteful number, since it uses less digits than its factorization.

3221112300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2760 (or 2753 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 3221112300 is about 56754.8438461423. The cubic root of 3221112300 is about 1476.8462641383.

Adding to 3221112300 its reverse (32111223), we get a palindrome (3253223523).

The spelling of 3221112300 in words is "three billion, two hundred twenty-one million, one hundred twelve thousand, three hundred".