4222399 has 2 divisors, whose sum is σ = 4222400.
Its totient is φ = 4222398.
The previous prime is 4222397. The next prime is 4222483. The reversal of 4222399 is 9932224.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 4222399 - 21 = 4222397 is a prime.
Together with 4222397, it forms a pair of twin primes.
It is a Chen prime.
It is a d-powerful number, because it can be written as 411 + 2 + 27 + 213 + 39 + 9 + 92 .
It is a self number, because there is not a number n which added to its sum of digits gives 4222399.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (4222391) 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, 2111199 + 2111200.
It is an arithmetic number, because the mean of its divisors is an integer number (2111200).
Almost surely, 24222399 is an apocalyptic number.
4222399 is a deficient number, since it is larger than the sum of its proper divisors (1).
4222399 is an equidigital number, since it uses as much as digits as its factorization.
4222399 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 7776, while the sum is 31.
The square root of 4222399 is about 2054.8476829196.
The cubic root of 4222399 is about 161.6291751845.
The spelling of 4222399 in words is "four million, two hundred twenty-two thousand, three hundred ninety-nine".