2052216 has 40 divisors (see below), whose sum is σ = 5749920. Its totient is φ = 683856.

The previous prime is 2052199. The next prime is 2052217. The reversal of 2052216 is 6122502.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2052217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 936 + ... + 2231.

It is an arithmetic number, because the mean of its divisors is an integer number (143748).

2^2052216 is an apocalyptic number.

It is an amenable number.

2052216 is an abundant number, since it is smaller than the sum of its proper divisors (3697704).

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

2052216 is a wasteful number, since it uses less digits than its factorization.

2052216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3185 (or 3172 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2052216 is about 1432.5557580772. Note that the first 3 decimals coincide. The cubic root of 2052216 is about 127.0791661329.

Adding to 2052216 its reverse (6122502), we get a palindrome (8174718).

The spelling of 2052216 in words is "two million, fifty-two thousand, two hundred sixteen".