1220210227 has 2 divisors, whose sum is σ = 1220210228. Its totient is φ = 1220210226.

The previous prime is 1220210209. The next prime is 1220210261. The reversal of 1220210227 is 7220120221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1220210227 - 2¹¹ = 1220208179 is a prime.

It is not a weakly prime, because it can be changed into another prime (1220214227) 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, 610105113 + 610105114.

It is an arithmetic number, because the mean of its divisors is an integer number (610105114).

Almost surely, 2^1220210227 is an apocalyptic number.

1220210227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220210227 is an equidigital number, since it uses as much as digits as its factorization.

1220210227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 1220210227 is about 34931.5076542654. The cubic root of 1220210227 is about 1068.5911019789.

Adding to 1220210227 its reverse (7220120221), we get a palindrome (8440330448).

The spelling of 1220210227 in words is "one billion, two hundred twenty million, two hundred ten thousand, two hundred twenty-seven".