223422271 has 2 divisors, whose sum is σ = 223422272. Its totient is φ = 223422270.

The previous prime is 223422263. The next prime is 223422319. The reversal of 223422271 is 172224322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 223422271 - 2³ = 223422263 is a prime.

It is a super-2 number, since 2×223422271² = 99835022357594882, which contains 22 as substring.

It is equal to p_12300784 and since 223422271 and 12300784 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223422071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111711135 + 111711136.

It is an arithmetic number, because the mean of its divisors is an integer number (111711136).

Almost surely, 2^223422271 is an apocalyptic number.

223422271 is a deficient number, since it is larger than the sum of its proper divisors (1).

223422271 is an equidigital number, since it uses as much as digits as its factorization.

223422271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2688, while the sum is 25.

The square root of 223422271 is about 14947.3165150137. The cubic root of 223422271 is about 606.7952241679.

Adding to 223422271 its reverse (172224322), we get a palindrome (395646593).

The spelling of 223422271 in words is "two hundred twenty-three million, four hundred twenty-two thousand, two hundred seventy-one".