4447222849 has 2 divisors, whose sum is σ = 4447222850. Its totient is φ = 4447222848.

The previous prime is 4447222847. The next prime is 4447222883. The reversal of 4447222849 is 9482227444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4166057025 + 281165824 = 64545^2 + 16768^2 .

It is a cyclic number.

It is not a de Polignac number, because 4447222849 - 2¹ = 4447222847 is a prime.

Together with 4447222847, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 4447222799 and 4447222808.

It is not a weakly prime, because it can be changed into another prime (4447222847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2223611424 + 2223611425.

It is an arithmetic number, because the mean of its divisors is an integer number (2223611425).

Almost surely, 2^4447222849 is an apocalyptic number.

It is an amenable number.

4447222849 is a deficient number, since it is larger than the sum of its proper divisors (1).

4447222849 is an equidigital number, since it uses as much as digits as its factorization.

4447222849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1032192, while the sum is 46.

The square root of 4447222849 is about 66687.5014451734. The cubic root of 4447222849 is about 1644.4839182624.

The spelling of 4447222849 in words is "four billion, four hundred forty-seven million, two hundred twenty-two thousand, eight hundred forty-nine".