2213841 has 16 divisors (see below), whose sum is σ = 3446784. Its totient is φ = 1237584.

The previous prime is 2213839. The next prime is 2213843. The reversal of 2213841 is 1483122.

2213841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2213839) and next prime (2213843).

It is not a de Polignac number, because 2213841 - 2¹ = 2213839 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (2213843) 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 15 ways as a sum of consecutive naturals, for example, 135 + ... + 2108.

It is an arithmetic number, because the mean of its divisors is an integer number (215424).

2^2213841 is an apocalyptic number.

2213841 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2213841 is a deficient number, since it is larger than the sum of its proper divisors (1232943).

2213841 is a wasteful number, since it uses less digits than its factorization.

2213841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2300.

The product of its digits is 384, while the sum is 21.

The square root of 2213841 is about 1487.8981820004. The cubic root of 2213841 is about 130.3313244778.

Adding to 2213841 its reverse (1483122), we get a palindrome (3696963).

The spelling of 2213841 in words is "two million, two hundred thirteen thousand, eight hundred forty-one".