4221193 has 2 divisors, whose sum is σ = 4221194. Its totient is φ = 4221192.

The previous prime is 4221179. The next prime is 4221197. The reversal of 4221193 is 3911224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4149369 + 71824 = 2037^2 + 268^2 .

It is a cyclic number.

It is not a de Polignac number, because 4221193 - 2²¹ = 2124041 is a prime.

4221193 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4221197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2110596 + 2110597.

It is an arithmetic number, because the mean of its divisors is an integer number (2110597).

Almost surely, 2^4221193 is an apocalyptic number.

It is an amenable number.

4221193 is a deficient number, since it is larger than the sum of its proper divisors (1).

4221193 is an equidigital number, since it uses as much as digits as its factorization.

4221193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 22.

The square root of 4221193 is about 2054.5542095550. The cubic root of 4221193 is about 161.6137855646.

The spelling of 4221193 in words is "four million, two hundred twenty-one thousand, one hundred ninety-three".