2212736 has 32 divisors (see below), whose sum is σ = 4498200. Its totient is φ = 1083904.

The previous prime is 2212723. The next prime is 2212747. The reversal of 2212736 is 6372122.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7406 + ... + 7698.

2^2212736 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 2212736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2249100).

2212736 is an abundant number, since it is smaller than the sum of its proper divisors (2285464).

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

2212736 is an equidigital number, since it uses as much as digits as its factorization.

2212736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366 (or 354 counting only the distinct ones).

The product of its digits is 1008, while the sum is 23.

The square root of 2212736 is about 1487.5268064811. The cubic root of 2212736 is about 130.3096366689.

Adding to 2212736 its reverse (6372122), we get a palindrome (8584858).

The spelling of 2212736 in words is "two million, two hundred twelve thousand, seven hundred thirty-six".