22365199 has 2 divisors, whose sum is σ = 22365200. Its totient is φ = 22365198.

The previous prime is 22365197. The next prime is 22365227. The reversal of 22365199 is 99156322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22365199 - 2¹ = 22365197 is a prime.

Together with 22365197, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22365197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11182599 + 11182600.

It is an arithmetic number, because the mean of its divisors is an integer number (11182600).

Almost surely, 2^22365199 is an apocalyptic number.

22365199 is a deficient number, since it is larger than the sum of its proper divisors (1).

22365199 is an equidigital number, since it uses as much as digits as its factorization.

22365199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29160, while the sum is 37.

The square root of 22365199 is about 4729.1858707393. The cubic root of 22365199 is about 281.7458896620.

The spelling of 22365199 in words is "twenty-two million, three hundred sixty-five thousand, one hundred ninety-nine".