12222943 has 2 divisors, whose sum is σ = 12222944. Its totient is φ = 12222942.

The previous prime is 12222941. The next prime is 12222967. The reversal of 12222943 is 34922221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12222943 - 2¹ = 12222941 is a prime.

Together with 12222941, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12222941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111471 + 6111472.

It is an arithmetic number, because the mean of its divisors is an integer number (6111472).

Almost surely, 2^12222943 is an apocalyptic number.

12222943 is a deficient number, since it is larger than the sum of its proper divisors (1).

12222943 is an equidigital number, since it uses as much as digits as its factorization.

12222943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 25.

The square root of 12222943 is about 3496.1325775777. The cubic root of 12222943 is about 230.3519689836.

The spelling of 12222943 in words is "twelve million, two hundred twenty-two thousand, nine hundred forty-three".