222401167 has 2 divisors, whose sum is σ = 222401168. Its totient is φ = 222401166.

The previous prime is 222401159. The next prime is 222401171. The reversal of 222401167 is 761104222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222401167 - 2³ = 222401159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222471167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111200583 + 111200584.

It is an arithmetic number, because the mean of its divisors is an integer number (111200584).

Almost surely, 2^222401167 is an apocalyptic number.

222401167 is a deficient number, since it is larger than the sum of its proper divisors (1).

222401167 is an equidigital number, since it uses as much as digits as its factorization.

222401167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 222401167 is about 14913.1206325169. The cubic root of 222401167 is about 605.8694027774.

Adding to 222401167 its reverse (761104222), we get a palindrome (983505389).

The spelling of 222401167 in words is "two hundred twenty-two million, four hundred one thousand, one hundred sixty-seven".