222424271 has 2 divisors, whose sum is σ = 222424272. Its totient is φ = 222424270.

The previous prime is 222424259. The next prime is 222424291. The reversal of 222424271 is 172424222.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222424271 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222424271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222424291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111212135 + 111212136.

It is an arithmetic number, because the mean of its divisors is an integer number (111212136).

Almost surely, 2^222424271 is an apocalyptic number.

222424271 is a deficient number, since it is larger than the sum of its proper divisors (1).

222424271 is an equidigital number, since it uses as much as digits as its factorization.

222424271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3584, while the sum is 26.

The square root of 222424271 is about 14913.8952322993. The cubic root of 222424271 is about 605.8903821667.

Adding to 222424271 its reverse (172424222), we get a palindrome (394848493).

The spelling of 222424271 in words is "two hundred twenty-two million, four hundred twenty-four thousand, two hundred seventy-one".