1222677457 has 2 divisors, whose sum is σ = 1222677458. Its totient is φ = 1222677456.

The previous prime is 1222677431. The next prime is 1222677481. The reversal of 1222677457 is 7547762221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1204367616 + 18309841 = 34704^2 + 4279^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1222677457 is a prime.

It is not a weakly prime, because it can be changed into another prime (1222677427) 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, 611338728 + 611338729.

It is an arithmetic number, because the mean of its divisors is an integer number (611338729).

Almost surely, 2^1222677457 is an apocalyptic number.

It is an amenable number.

1222677457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222677457 is an equidigital number, since it uses as much as digits as its factorization.

1222677457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 329280, while the sum is 43.

The square root of 1222677457 is about 34966.8050728116. The cubic root of 1222677457 is about 1069.3108372647.

The spelling of 1222677457 in words is "one billion, two hundred twenty-two million, six hundred seventy-seven thousand, four hundred fifty-seven".