4444422187 has 2 divisors, whose sum is σ = 4444422188. Its totient is φ = 4444422186.

The previous prime is 4444422163. The next prime is 4444422223. The reversal of 4444422187 is 7812244444.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4444422187 - 2²³ = 4436033579 is a prime.

It is not a weakly prime, because it can be changed into another prime (4444422137) 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, 2222211093 + 2222211094.

It is an arithmetic number, because the mean of its divisors is an integer number (2222211094).

Almost surely, 2^4444422187 is an apocalyptic number.

4444422187 is a deficient number, since it is larger than the sum of its proper divisors (1).

4444422187 is an equidigital number, since it uses as much as digits as its factorization.

4444422187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 229376, while the sum is 40.

The square root of 4444422187 is about 66666.4997356243. The cubic root of 4444422187 is about 1644.1386383035.

The spelling of 4444422187 in words is "four billion, four hundred forty-four million, four hundred twenty-two thousand, one hundred eighty-seven".