2142227 has 2 divisors, whose sum is σ = 2142228. Its totient is φ = 2142226.

The previous prime is 2142211. The next prime is 2142229. The reversal of 2142227 is 7222412.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2142227 - 2⁴ = 2142211 is a prime.

Together with 2142229, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2142199 and 2142208.

It is not a weakly prime, because it can be changed into another prime (2142229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071113 + 1071114.

It is an arithmetic number, because the mean of its divisors is an integer number (1071114).

2^2142227 is an apocalyptic number.

2142227 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142227 is an equidigital number, since it uses as much as digits as its factorization.

2142227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 448, while the sum is 20.

The square root of 2142227 is about 1463.6348588360. The cubic root of 2142227 is about 128.9105603615.

Adding to 2142227 its reverse (7222412), we get a palindrome (9364639).

The spelling of 2142227 in words is "two million, one hundred forty-two thousand, two hundred twenty-seven".