214221353 has 2 divisors, whose sum is σ = 214221354. Its totient is φ = 214221352.

The previous prime is 214221349. The next prime is 214221391. The reversal of 214221353 is 353122412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 183006784 + 31214569 = 13528^2 + 5587^2 .

It is a cyclic number.

It is not a de Polignac number, because 214221353 - 2² = 214221349 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (214220353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107110676 + 107110677.

It is an arithmetic number, because the mean of its divisors is an integer number (107110677).

Almost surely, 2^214221353 is an apocalyptic number.

It is an amenable number.

214221353 is a deficient number, since it is larger than the sum of its proper divisors (1).

214221353 is an equidigital number, since it uses as much as digits as its factorization.

214221353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 23.

The square root of 214221353 is about 14636.3025727128. The cubic root of 214221353 is about 598.3485633951.

Adding to 214221353 its reverse (353122412), we get a palindrome (567343765).

The spelling of 214221353 in words is "two hundred fourteen million, two hundred twenty-one thousand, three hundred fifty-three".