2122213 has 2 divisors, whose sum is σ = 2122214. Its totient is φ = 2122212.

The previous prime is 2122193. The next prime is 2122231. The reversal of 2122213 is 3122212.

Together with next prime (2122231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2079364 + 42849 = 1442^2 + 207^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122213 - 2⁵ = 2122181 is a prime.

It is a d-powerful number, because it can be written as 2⁸ + 1 + 2¹⁰ + 2¹² + 2²¹ + 1 + 3⁹ .

It is a junction number, because it is equal to n+sod(n) for n = 2122193 and 2122202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2122013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061106 + 1061107.

It is an arithmetic number, because the mean of its divisors is an integer number (1061107).

2^2122213 is an apocalyptic number.

It is an amenable number.

2122213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122213 is an equidigital number, since it uses as much as digits as its factorization.

2122213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48, while the sum is 13.

The square root of 2122213 is about 1456.7817269584. The cubic root of 2122213 is about 128.5078497529.

Adding to 2122213 its reverse (3122212), we get a palindrome (5244425).

Subtracting 2122213 from its reverse (3122212), we obtain a palindrome (999999).

The spelling of 2122213 in words is "two million, one hundred twenty-two thousand, two hundred thirteen".