2213201 has 2 divisors, whose sum is σ = 2213202. Its totient is φ = 2213200.

The previous prime is 2213191. The next prime is 2213203. The reversal of 2213201 is 1023122.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2190400 + 22801 = 1480^2 + 151^2 .

It is a cyclic number.

It is not a de Polignac number, because 2213201 - 2⁶ = 2213137 is a prime.

Together with 2213203, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2213203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106600 + 1106601.

It is an arithmetic number, because the mean of its divisors is an integer number (1106601).

2^2213201 is an apocalyptic number.

It is an amenable number.

2213201 is a deficient number, since it is larger than the sum of its proper divisors (1).

2213201 is an equidigital number, since it uses as much as digits as its factorization.

2213201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2213201 is about 1487.6830979748. The cubic root of 2213201 is about 130.3187640926.

Adding to 2213201 its reverse (1023122), we get a palindrome (3236323).

The spelling of 2213201 in words is "two million, two hundred thirteen thousand, two hundred one".