12223199 has 2 divisors, whose sum is σ = 12223200. Its totient is φ = 12223198.

The previous prime is 12223139. The next prime is 12223271. The reversal of 12223199 is 99132221.

It is a weak prime.

It is an emirp because it is prime and its reverse (99132221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12223199 - 2⁸ = 12222943 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12223109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111599 + 6111600.

It is an arithmetic number, because the mean of its divisors is an integer number (6111600).

Almost surely, 2^12223199 is an apocalyptic number.

12223199 is a deficient number, since it is larger than the sum of its proper divisors (1).

12223199 is an equidigital number, since it uses as much as digits as its factorization.

12223199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 29.

The square root of 12223199 is about 3496.1691892699. The cubic root of 12223199 is about 230.3535771531.

The spelling of 12223199 in words is "twelve million, two hundred twenty-three thousand, one hundred ninety-nine".