444222419 has 2 divisors, whose sum is σ = 444222420. Its totient is φ = 444222418.

The previous prime is 444222409. The next prime is 444222431. The reversal of 444222419 is 914222444.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 444222419 - 2⁴ = 444222403 is a prime.

It is a super-2 number, since 2×444222419² = 394667115084423122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (444222409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222111209 + 222111210.

It is an arithmetic number, because the mean of its divisors is an integer number (222111210).

Almost surely, 2^444222419 is an apocalyptic number.

444222419 is a deficient number, since it is larger than the sum of its proper divisors (1).

444222419 is an equidigital number, since it uses as much as digits as its factorization.

444222419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18432, while the sum is 32.

The square root of 444222419 is about 21076.5846142111. The cubic root of 444222419 is about 763.0157293579.

The spelling of 444222419 in words is "four hundred forty-four million, two hundred twenty-two thousand, four hundred nineteen".