1222203283757 has 2 divisors, whose sum is σ = 1222203283758. Its totient is φ = 1222203283756.

The previous prime is 1222203283733. The next prime is 1222203283817. The reversal of 1222203283757 is 7573823022221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1221862733641 + 340550116 = 1105379^2 + 18454^2 .

It is an emirp because it is prime and its reverse (7573823022221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1222203283757 - 2²² = 1222199089453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222203283727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611101641878 + 611101641879.

It is an arithmetic number, because the mean of its divisors is an integer number (611101641879).

Almost surely, 2^{1222203283757} is an apocalyptic number.

It is an amenable number.

1222203283757 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222203283757 is an equidigital number, since it uses as much as digits as its factorization.

1222203283757 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 564480, while the sum is 44.

The spelling of 1222203283757 in words is "one trillion, two hundred twenty-two billion, two hundred three million, two hundred eighty-three thousand, seven hundred fifty-seven".