4442213 has 2 divisors, whose sum is σ = 4442214. Its totient is φ = 4442212.

The previous prime is 4442209. The next prime is 4442231. The reversal of 4442213 is 3122444.

Together with next prime (4442231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4190209 + 252004 = 2047^2 + 502^2 .

It is a cyclic number.

It is not a de Polignac number, because 4442213 - 2² = 4442209 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4442233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2221106 + 2221107.

It is an arithmetic number, because the mean of its divisors is an integer number (2221107).

Almost surely, 2^4442213 is an apocalyptic number.

It is an amenable number.

4442213 is a deficient number, since it is larger than the sum of its proper divisors (1).

4442213 is an equidigital number, since it uses as much as digits as its factorization.

4442213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 768, while the sum is 20.

The square root of 4442213 is about 2107.6558068148. The cubic root of 4442213 is about 164.3866176062.

Adding to 4442213 its reverse (3122444), we get a palindrome (7564657).

The spelling of 4442213 in words is "four million, four hundred forty-two thousand, two hundred thirteen".