222144367 has 2 divisors, whose sum is σ = 222144368. Its totient is φ = 222144366.

The previous prime is 222144347. The next prime is 222144383. The reversal of 222144367 is 763441222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222144367 - 2⁷ = 222144239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222144347) 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, 111072183 + 111072184.

It is an arithmetic number, because the mean of its divisors is an integer number (111072184).

Almost surely, 2^222144367 is an apocalyptic number.

222144367 is a deficient number, since it is larger than the sum of its proper divisors (1).

222144367 is an equidigital number, since it uses as much as digits as its factorization.

222144367 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 31.

The square root of 222144367 is about 14904.5082776991. The cubic root of 222144367 is about 605.6361198512.

Adding to 222144367 its reverse (763441222), we get a palindrome (985585589).

The spelling of 222144367 in words is "two hundred twenty-two million, one hundred forty-four thousand, three hundred sixty-seven".