1001222227 has 2 divisors, whose sum is σ = 1001222228. Its totient is φ = 1001222226.

The previous prime is 1001222207. The next prime is 1001222231. The reversal of 1001222227 is 7222221001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1001222227 - 2¹⁵ = 1001189459 is a prime.

It is not a weakly prime, because it can be changed into another prime (1001222207) 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, 500611113 + 500611114.

It is an arithmetic number, because the mean of its divisors is an integer number (500611114).

Almost surely, 2^1001222227 is an apocalyptic number.

1001222227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001222227 is an equidigital number, since it uses as much as digits as its factorization.

1001222227 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 1001222227 is about 31642.0958060619. The cubic root of 1001222227 is about 1000.4072431305.

Adding to 1001222227 its reverse (7222221001), we get a palindrome (8223443228).

The spelling of 1001222227 in words is "one billion, one million, two hundred twenty-two thousand, two hundred twenty-seven".