4420249 has 2 divisors, whose sum is σ = 4420250. Its totient is φ = 4420248.

The previous prime is 4420231. The next prime is 4420309. The reversal of 4420249 is 9420244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3920400 + 499849 = 1980^2 + 707^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4420249 is a prime.

It is not a weakly prime, because it can be changed into another prime (4420219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2210124 + 2210125.

It is an arithmetic number, because the mean of its divisors is an integer number (2210125).

Almost surely, 2^4420249 is an apocalyptic number.

It is an amenable number.

4420249 is a deficient number, since it is larger than the sum of its proper divisors (1).

4420249 is an equidigital number, since it uses as much as digits as its factorization.

4420249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 4420249 is about 2102.4388219399. The cubic root of 4420249 is about 164.1152397458.

The spelling of 4420249 in words is "four million, four hundred twenty thousand, two hundred forty-nine".