1222520227 has 2 divisors, whose sum is σ = 1222520228. Its totient is φ = 1222520226.

The previous prime is 1222520177. The next prime is 1222520231. The reversal of 1222520227 is 7220252221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1222520227 - 2¹¹ = 1222518179 is a prime.

It is not a weakly prime, because it can be changed into another prime (1222520237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611260113 + 611260114.

It is an arithmetic number, because the mean of its divisors is an integer number (611260114).

Almost surely, 2^1222520227 is an apocalyptic number.

1222520227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222520227 is an equidigital number, since it uses as much as digits as its factorization.

1222520227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 1222520227 is about 34964.5567253469. The cubic root of 1222520227 is about 1069.2649993513.

Adding to 1222520227 its reverse (7220252221), we get a palindrome (8442772448).

The spelling of 1222520227 in words is "one billion, two hundred twenty-two million, five hundred twenty thousand, two hundred twenty-seven".