2216436 has 12 divisors (see below), whose sum is σ = 5171712. Its totient is φ = 738808.

The previous prime is 2216413. The next prime is 2216437. The reversal of 2216436 is 6346122.

2216436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

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

It is a d-powerful number, because it can be written as 2¹³ + 2¹⁹ + 1 + 6³ + 4⁶ + 3³ + 6⁸ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216437) 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 3 ways as a sum of consecutive naturals, for example, 92340 + ... + 92363.

It is an arithmetic number, because the mean of its divisors is an integer number (430976).

2^2216436 is an apocalyptic number.

It is an amenable number.

2216436 is an abundant number, since it is smaller than the sum of its proper divisors (2955276).

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

2216436 is a wasteful number, since it uses less digits than its factorization.

2216436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184710 (or 184708 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 2216436 is about 1488.7699620828. The cubic root of 2216436 is about 130.3822281224.

The spelling of 2216436 in words is "two million, two hundred sixteen thousand, four hundred thirty-six".