2213842 has 32 divisors (see below), whose sum is σ = 3888000. Its totient is φ = 937728.

The previous prime is 2213839. The next prime is 2213843. The reversal of 2213842 is 2483122.

2213842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 14784 + ... + 14932.

It is an arithmetic number, because the mean of its divisors is an integer number (121500).

2^2213842 is an apocalyptic number.

2213842 is a deficient number, since it is larger than the sum of its proper divisors (1674158).

2213842 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 11 representation: 2213842 = (1282324)₁₁.

2213842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210.

The product of its digits is 768, while the sum is 22.

The square root of 2213842 is about 1487.8985180448. The cubic root of 2213842 is about 130.3313441015.

Adding to 2213842 its reverse (2483122), we get a palindrome (4696964).

The spelling of 2213842 in words is "two million, two hundred thirteen thousand, eight hundred forty-two".