1222677427 has 2 divisors, whose sum is σ = 1222677428. Its totient is φ = 1222677426.

The previous prime is 1222677403. The next prime is 1222677431. The reversal of 1222677427 is 7247762221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1222677427 - 2²³ = 1214288819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1222677427.

It is not a weakly prime, because it can be changed into another prime (1222677457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611338713 + 611338714.

It is an arithmetic number, because the mean of its divisors is an integer number (611338714).

Almost surely, 2^1222677427 is an apocalyptic number.

1222677427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222677427 is an equidigital number, since it uses as much as digits as its factorization.

1222677427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 131712, while the sum is 40.

The square root of 1222677427 is about 34966.8046438333. The cubic root of 1222677427 is about 1069.3108285190.

The spelling of 1222677427 in words is "one billion, two hundred twenty-two million, six hundred seventy-seven thousand, four hundred twenty-seven".