3222612 has 48 divisors (see below), whose sum is σ = 8527680. Its totient is φ = 1052064.

The previous prime is 3222581. The next prime is 3222613. The reversal of 3222612 is 2162223.

3222612 is a `hidden beast` number, since 32 + 22 + 612 = 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 (3222613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5443 + ... + 6005.

It is an arithmetic number, because the mean of its divisors is an integer number (177660).

Almost surely, 2^3222612 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 3222612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4263840).

3222612 is an abundant number, since it is smaller than the sum of its proper divisors (5305068).

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

3222612 is a wasteful number, since it uses less digits than its factorization.

3222612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629 (or 621 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 3222612 is about 1795.1635023028. The cubic root of 3222612 is about 147.7075427493.

Adding to 3222612 its reverse (2162223), we get a palindrome (5384835).

The spelling of 3222612 in words is "three million, two hundred twenty-two thousand, six hundred twelve".