222424193 has 2 divisors, whose sum is σ = 222424194. Its totient is φ = 222424192.

The previous prime is 222424187. The next prime is 222424247. The reversal of 222424193 is 391424222.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137194369 + 85229824 = 11713^2 + 9232^2 .

It is a cyclic number.

It is not a de Polignac number, because 222424193 - 2⁴ = 222424177 is a prime.

It is not a weakly prime, because it can be changed into another prime (222424183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111212096 + 111212097.

It is an arithmetic number, because the mean of its divisors is an integer number (111212097).

Almost surely, 2^222424193 is an apocalyptic number.

It is an amenable number.

222424193 is a deficient number, since it is larger than the sum of its proper divisors (1).

222424193 is an equidigital number, since it uses as much as digits as its factorization.

222424193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 29.

The square root of 222424193 is about 14913.8926172881. The cubic root of 222424193 is about 605.8903113419.

Adding to 222424193 its sum of digits (29), we get a palindrome (222424222).

The spelling of 222424193 in words is "two hundred twenty-two million, four hundred twenty-four thousand, one hundred ninety-three".