1222830943 has 2 divisors, whose sum is σ = 1222830944. Its totient is φ = 1222830942.

The previous prime is 1222830911. The next prime is 1222830979. The reversal of 1222830943 is 3490382221.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (3490382221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1222830943 - 2⁵ = 1222830911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1222830899 and 1222830908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222837943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611415471 + 611415472.

It is an arithmetic number, because the mean of its divisors is an integer number (611415472).

Almost surely, 2^1222830943 is an apocalyptic number.

1222830943 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222830943 is an equidigital number, since it uses as much as digits as its factorization.

1222830943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 1222830943 is about 34968.9997426292. Note that the first 3 decimals coincide. The cubic root of 1222830943 is about 1069.3555798840.

The spelling of 1222830943 in words is "one billion, two hundred twenty-two million, eight hundred thirty thousand, nine hundred forty-three".