10442213 has 2 divisors, whose sum is σ = 10442214. Its totient is φ = 10442212.

The previous prime is 10442209. The next prime is 10442231. The reversal of 10442213 is 31224401.

Together with next prime (10442231) 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., 9628609 + 813604 = 3103^2 + 902^2 .

It is a cyclic number.

It is not a de Polignac number, because 10442213 - 2² = 10442209 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10442191 and 10442200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10442203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5221106 + 5221107.

It is an arithmetic number, because the mean of its divisors is an integer number (5221107).

Almost surely, 2^10442213 is an apocalyptic number.

It is an amenable number.

10442213 is a deficient number, since it is larger than the sum of its proper divisors (1).

10442213 is an equidigital number, since it uses as much as digits as its factorization.

10442213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 10442213 is about 3231.4413192877. The cubic root of 10442213 is about 218.5735046559.

Adding to 10442213 its reverse (31224401), we get a palindrome (41666614).

The spelling of 10442213 in words is "ten million, four hundred forty-two thousand, two hundred thirteen".