1012220227 has 2 divisors, whose sum is σ = 1012220228. Its totient is φ = 1012220226.

The previous prime is 1012220191. The next prime is 1012220249. The reversal of 1012220227 is 7220222101.

It is a strong prime.

It is an emirp because it is prime and its reverse (7220222101) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012220227 is a prime.

It is not a weakly prime, because it can be changed into another prime (1012220257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506110113 + 506110114.

It is an arithmetic number, because the mean of its divisors is an integer number (506110114).

Almost surely, 2^1012220227 is an apocalyptic number.

1012220227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012220227 is an equidigital number, since it uses as much as digits as its factorization.

1012220227 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 1012220227 is about 31815.4086410972. The cubic root of 1012220227 is about 1004.0569280774.

Adding to 1012220227 its reverse (7220222101), we get a palindrome (8232442328).

The spelling of 1012220227 in words is "one billion, twelve million, two hundred twenty thousand, two hundred twenty-seven".