222001027 has 2 divisors, whose sum is σ = 222001028. Its totient is φ = 222001026.

The previous prime is 222001009. The next prime is 222001057. The reversal of 222001027 is 720100222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222001027 - 2¹⁵ = 221968259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222001027.

It is not a weakly prime, because it can be changed into another prime (222001057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111000513 + 111000514.

It is an arithmetic number, because the mean of its divisors is an integer number (111000514).

Almost surely, 2^222001027 is an apocalyptic number.

222001027 is a deficient number, since it is larger than the sum of its proper divisors (1).

222001027 is an equidigital number, since it uses as much as digits as its factorization.

222001027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 222001027 is about 14899.6988895749. The cubic root of 222001027 is about 605.5058283637.

Adding to 222001027 its reverse (720100222), we get a palindrome (942101249).

The spelling of 222001027 in words is "two hundred twenty-two million, one thousand, twenty-seven".