2114221 has 2 divisors, whose sum is σ = 2114222. Its totient is φ = 2114220.

The previous prime is 2114207. The next prime is 2114227. The reversal of 2114221 is 1224112.

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., 1929321 + 184900 = 1389^2 + 430^2 .

It is a cyclic number.

It is not a de Polignac number, because 2114221 - 2¹³ = 2106029 is a prime.

2114221 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2114227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1057110 + 1057111.

It is an arithmetic number, because the mean of its divisors is an integer number (1057111).

2^2114221 is an apocalyptic number.

It is an amenable number.

2114221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2114221 is an equidigital number, since it uses as much as digits as its factorization.

2114221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32, while the sum is 13.

The square root of 2114221 is about 1454.0361068419. The cubic root of 2114221 is about 128.3463317731.

Adding to 2114221 its reverse (1224112), we get a palindrome (3338333).

The spelling of 2114221 in words is "two million, one hundred fourteen thousand, two hundred twenty-one".