1222250553077 has 2 divisors, whose sum is σ = 1222250553078. Its totient is φ = 1222250553076.

The previous prime is 1222250553067. The next prime is 1222250553233. The reversal of 1222250553077 is 7703550522221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 660629209681 + 561621343396 = 812791^2 + 749414^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222250553077 - 2⁴ = 1222250553061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222250553067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611125276538 + 611125276539.

It is an arithmetic number, because the mean of its divisors is an integer number (611125276539).

Almost surely, 2^{1222250553077} is an apocalyptic number.

It is an amenable number.

1222250553077 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222250553077 is an equidigital number, since it uses as much as digits as its factorization.

1222250553077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 294000, while the sum is 41.

The spelling of 1222250553077 in words is "one trillion, two hundred twenty-two billion, two hundred fifty million, five hundred fifty-three thousand, seventy-seven".