222211127 has 2 divisors, whose sum is σ = 222211128. Its totient is φ = 222211126.

The previous prime is 222211117. The next prime is 222211133. The reversal of 222211127 is 721112222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222211127 - 2¹⁰ = 222210103 is a prime.

It is a super-2 number, since 2×222211127² = 98755569925220258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222211099 and 222211108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222211117) 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, 111105563 + 111105564.

It is an arithmetic number, because the mean of its divisors is an integer number (111105564).

Almost surely, 2^222211127 is an apocalyptic number.

222211127 is a deficient number, since it is larger than the sum of its proper divisors (1).

222211127 is an equidigital number, since it uses as much as digits as its factorization.

222211127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 224, while the sum is 20.

The square root of 222211127 is about 14906.7477002866. The cubic root of 222211127 is about 605.6967834312.

Adding to 222211127 its reverse (721112222), we get a palindrome (943323349).

The spelling of 222211127 in words is "two hundred twenty-two million, two hundred eleven thousand, one hundred twenty-seven".