271222213 has 2 divisors, whose sum is σ = 271222214. Its totient is φ = 271222212.

The previous prime is 271222157. The next prime is 271222223. The reversal of 271222213 is 312222172.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 271030369 + 191844 = 16463^2 + 438^2 .

It is a cyclic number.

It is not a de Polignac number, because 271222213 - 2⁹ = 271221701 is a prime.

It is a super-2 number, since 2×271222213² = 147122977649234738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (271222223) 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, 135611106 + 135611107.

It is an arithmetic number, because the mean of its divisors is an integer number (135611107).

Almost surely, 2^271222213 is an apocalyptic number.

It is an amenable number.

271222213 is a deficient number, since it is larger than the sum of its proper divisors (1).

271222213 is an equidigital number, since it uses as much as digits as its factorization.

271222213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 672, while the sum is 22.

The square root of 271222213 is about 16468.8254893906. The cubic root of 271222213 is about 647.3041902808.

Adding to 271222213 its reverse (312222172), we get a palindrome (583444385).

The spelling of 271222213 in words is "two hundred seventy-one million, two hundred twenty-two thousand, two hundred thirteen".