444822247 has 2 divisors, whose sum is σ = 444822248. Its totient is φ = 444822246.

The previous prime is 444822239. The next prime is 444822283. The reversal of 444822247 is 742228444.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 444822247 - 2³ = 444822239 is a prime.

It is a super-2 number, since 2×444822247² = 395733662852258018, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444820247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222411123 + 222411124.

It is an arithmetic number, because the mean of its divisors is an integer number (222411124).

Almost surely, 2^444822247 is an apocalyptic number.

444822247 is a deficient number, since it is larger than the sum of its proper divisors (1).

444822247 is an equidigital number, since it uses as much as digits as its factorization.

444822247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 114688, while the sum is 37.

The square root of 444822247 is about 21090.8095387541. The cubic root of 444822247 is about 763.3590051095.

The spelling of 444822247 in words is "four hundred forty-four million, eight hundred twenty-two thousand, two hundred forty-seven".