222214271 has 2 divisors, whose sum is σ = 222214272. Its totient is φ = 222214270.

The previous prime is 222214229. The next prime is 222214303. The reversal of 222214271 is 172412222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222214271 is a prime.

It is a super-2 number, since 2×222214271² = 98758364472122882, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222214171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111107135 + 111107136.

It is an arithmetic number, because the mean of its divisors is an integer number (111107136).

Almost surely, 2^222214271 is an apocalyptic number.

222214271 is a deficient number, since it is larger than the sum of its proper divisors (1).

222214271 is an equidigital number, since it uses as much as digits as its factorization.

222214271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 896, while the sum is 23.

The square root of 222214271 is about 14906.8531555121. The cubic root of 222214271 is about 605.6996400264.

Adding to 222214271 its reverse (172412222), we get a palindrome (394626493).

The spelling of 222214271 in words is "two hundred twenty-two million, two hundred fourteen thousand, two hundred seventy-one".