2348221 has 2 divisors, whose sum is σ = 2348222. Its totient is φ = 2348220.

The previous prime is 2348207. The next prime is 2348233. The reversal of 2348221 is 1228432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2280100 + 68121 = 1510^2 + 261^2 .

It is a cyclic number.

It is not a de Polignac number, because 2348221 - 2⁵ = 2348189 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2348192 and 2348201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2348251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1174110 + 1174111.

It is an arithmetic number, because the mean of its divisors is an integer number (1174111).

2^2348221 is an apocalyptic number.

It is an amenable number.

2348221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2348221 is an equidigital number, since it uses as much as digits as its factorization.

2348221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 768, while the sum is 22.

The square root of 2348221 is about 1532.3906159984. The cubic root of 2348221 is about 132.9167323216.

The spelling of 2348221 in words is "two million, three hundred forty-eight thousand, two hundred twenty-one".