444466219 has 2 divisors, whose sum is σ = 444466220. Its totient is φ = 444466218.

The previous prime is 444466213. The next prime is 444466249. The reversal of 444466219 is 912664444.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 444466219 - 2¹⁷ = 444335147 is a prime.

It is a super-2 number, since 2×444466219² = 395100439664311922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (444466213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222233109 + 222233110.

It is an arithmetic number, because the mean of its divisors is an integer number (222233110).

Almost surely, 2^444466219 is an apocalyptic number.

444466219 is a deficient number, since it is larger than the sum of its proper divisors (1).

444466219 is an equidigital number, since it uses as much as digits as its factorization.

444466219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 40.

The square root of 444466219 is about 21082.3674903935. The cubic root of 444466219 is about 763.1552909873.

The spelling of 444466219 in words is "four hundred forty-four million, four hundred sixty-six thousand, two hundred nineteen".