1220130227 has 2 divisors, whose sum is σ = 1220130228. Its totient is φ = 1220130226.

The previous prime is 1220130217. The next prime is 1220130229. The reversal of 1220130227 is 7220310221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1220130227 - 2¹⁰ = 1220129203 is a prime.

Together with 1220130229, 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 = 1220130199 and 1220130208.

It is not a weakly prime, because it can be changed into another prime (1220130229) 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, 610065113 + 610065114.

It is an arithmetic number, because the mean of its divisors is an integer number (610065114).

Almost surely, 2^1220130227 is an apocalyptic number.

1220130227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220130227 is an equidigital number, since it uses as much as digits as its factorization.

1220130227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 1220130227 is about 34930.3625374831. The cubic root of 1220130227 is about 1068.5677483102.

Adding to 1220130227 its reverse (7220310221), we get a palindrome (8440440448).

The spelling of 1220130227 in words is "one billion, two hundred twenty million, one hundred thirty thousand, two hundred twenty-seven".