3312221112 has 128 divisors (see below), whose sum is σ = 9887961600. Its totient is φ = 1023542784.

The previous prime is 3312221057. The next prime is 3312221117. The reversal of 3312221112 is 2111222133.

3312221112 is a `hidden beast` number, since 331 + 2 + 221 + 112 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3312221117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 239293 + ... + 252755.

It is an arithmetic number, because the mean of its divisors is an integer number (77249700).

Almost surely, 2^3312221112 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 3312221112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4943980800).

3312221112 is an abundant number, since it is smaller than the sum of its proper divisors (6575740488).

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

3312221112 is a wasteful number, since it uses less digits than its factorization.

3312221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13562 (or 13552 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 3312221112 is about 57551.8992909878. The cubic root of 3312221112 is about 1490.6411534344.

Adding to 3312221112 its reverse (2111222133), we get a palindrome (5423443245).

The spelling of 3312221112 in words is "three billion, three hundred twelve million, two hundred twenty-one thousand, one hundred twelve".