1222757 has 2 divisors, whose sum is σ = 1222758. Its totient is φ = 1222756.

The previous prime is 1222751. The next prime is 1222769. The reversal of 1222757 is 7572221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1196836 + 25921 = 1094^2 + 161^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222757 - 2⁶ = 1222693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611378 + 611379.

It is an arithmetic number, because the mean of its divisors is an integer number (611379).

2^1222757 is an apocalyptic number.

It is an amenable number.

1222757 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222757 is an equidigital number, since it uses as much as digits as its factorization.

1222757 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1960, while the sum is 26.

The square root of 1222757 is about 1105.7834326847. The cubic root of 1222757 is about 106.9334025268.

Adding to 1222757 its reverse (7572221), we get a palindrome (8794978).

The spelling of 1222757 in words is "one million, two hundred twenty-two thousand, seven hundred fifty-seven".