1222946213 has 2 divisors, whose sum is σ = 1222946214. Its totient is φ = 1222946212.

The previous prime is 1222946183. The next prime is 1222946227. The reversal of 1222946213 is 3126492221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1153757089 + 69189124 = 33967^2 + 8318^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222946213 - 2⁸ = 1222945957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1222946213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222906213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611473106 + 611473107.

It is an arithmetic number, because the mean of its divisors is an integer number (611473107).

Almost surely, 2^1222946213 is an apocalyptic number.

It is an amenable number.

1222946213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222946213 is an equidigital number, since it uses as much as digits as its factorization.

1222946213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 32.

The square root of 1222946213 is about 34970.6478778990. The cubic root of 1222946213 is about 1069.3891797165.

The spelling of 1222946213 in words is "one billion, two hundred twenty-two million, nine hundred forty-six thousand, two hundred thirteen".