44422219 has 2 divisors, whose sum is σ = 44422220. Its totient is φ = 44422218.

The previous prime is 44422201. The next prime is 44422249. The reversal of 44422219 is 91222444.

44422219 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44422219 - 2²¹ = 42325067 is a prime.

It is a super-2 number, since 2×44422219² = 3946667081767922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (44422249) 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, 22211109 + 22211110.

It is an arithmetic number, because the mean of its divisors is an integer number (22211110).

Almost surely, 2^44422219 is an apocalyptic number.

44422219 is a deficient number, since it is larger than the sum of its proper divisors (1).

44422219 is an equidigital number, since it uses as much as digits as its factorization.

44422219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 28.

The square root of 44422219 is about 6664.9995498875. Note that the first 3 decimals coincide. The cubic root of 44422219 is about 354.1604680684.

The spelling of 44422219 in words is "forty-four million, four hundred twenty-two thousand, two hundred nineteen".