223404199 has 2 divisors, whose sum is σ = 223404200. Its totient is φ = 223404198.

The previous prime is 223404161. The next prime is 223404227. The reversal of 223404199 is 991404322.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223404199 is a prime.

It is a super-2 number, since 2×223404199² = 99818872261663202, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223404899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111702099 + 111702100.

It is an arithmetic number, because the mean of its divisors is an integer number (111702100).

Almost surely, 2^223404199 is an apocalyptic number.

223404199 is a deficient number, since it is larger than the sum of its proper divisors (1).

223404199 is an equidigital number, since it uses as much as digits as its factorization.

223404199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 223404199 is about 14946.7119795626. The cubic root of 223404199 is about 606.7788630730.

The spelling of 223404199 in words is "two hundred twenty-three million, four hundred four thousand, one hundred ninety-nine".