1222010357 has 2 divisors, whose sum is σ = 1222010358. Its totient is φ = 1222010356.

The previous prime is 1222010351. The next prime is 1222010393. The reversal of 1222010357 is 7530102221.

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., 1217032996 + 4977361 = 34886^2 + 2231^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222010357 - 2¹⁰ = 1222009333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222010351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611005178 + 611005179.

It is an arithmetic number, because the mean of its divisors is an integer number (611005179).

Almost surely, 2^1222010357 is an apocalyptic number.

It is an amenable number.

1222010357 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222010357 is an equidigital number, since it uses as much as digits as its factorization.

1222010357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 1222010357 is about 34957.2647242315. The cubic root of 1222010357 is about 1069.1163277946.

Adding to 1222010357 its reverse (7530102221), we get a palindrome (8752112578).

The spelling of 1222010357 in words is "one billion, two hundred twenty-two million, ten thousand, three hundred fifty-seven".