4421447 has 2 divisors, whose sum is σ = 4421448. Its totient is φ = 4421446.

The previous prime is 4421423. The next prime is 4421449. The reversal of 4421447 is 7441244.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4421447 - 2¹² = 4417351 is a prime.

Together with 4421449, it forms a pair of twin primes.

It is a Chen prime.

It is a nialpdrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4421449) 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, 2210723 + 2210724.

It is an arithmetic number, because the mean of its divisors is an integer number (2210724).

Almost surely, 2^4421447 is an apocalyptic number.

4421447 is a deficient number, since it is larger than the sum of its proper divisors (1).

4421447 is an equidigital number, since it uses as much as digits as its factorization.

4421447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3584, while the sum is 26.

The square root of 4421447 is about 2102.7237098582. The cubic root of 4421447 is about 164.1300648758.

The spelling of 4421447 in words is "four million, four hundred twenty-one thousand, four hundred forty-seven".