1222210313 has 2 divisors, whose sum is σ = 1222210314. Its totient is φ = 1222210312.

The previous prime is 1222210289. The next prime is 1222210357. The reversal of 1222210313 is 3130122221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1053132304 + 169078009 = 32452^2 + 13003^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222210313 - 2⁸ = 1222210057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1222210291 and 1222210300.

It is not a weakly prime, because it can be changed into another prime (1222210013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611105156 + 611105157.

It is an arithmetic number, because the mean of its divisors is an integer number (611105157).

Almost surely, 2^1222210313 is an apocalyptic number.

It is an amenable number.

1222210313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222210313 is an equidigital number, since it uses as much as digits as its factorization.

1222210313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1222210313 is about 34960.1246136223. The cubic root of 1222210313 is about 1069.1746373292.

Adding to 1222210313 its reverse (3130122221), we get a palindrome (4352332534).

The spelling of 1222210313 in words is "one billion, two hundred twenty-two million, two hundred ten thousand, three hundred thirteen".