4225439 has 2 divisors, whose sum is σ = 4225440. Its totient is φ = 4225438.

The previous prime is 4225427. The next prime is 4225451. The reversal of 4225439 is 9345224.

It is a balanced prime because it is at equal distance from previous prime (4225427) and next prime (4225451).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4225439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4225499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2112719 + 2112720.

It is an arithmetic number, because the mean of its divisors is an integer number (2112720).

Almost surely, 2^4225439 is an apocalyptic number.

4225439 is a deficient number, since it is larger than the sum of its proper divisors (1).

4225439 is an equidigital number, since it uses as much as digits as its factorization.

4225439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 29.

The square root of 4225439 is about 2055.5872640197. The cubic root of 4225439 is about 161.6679552571.

It can be divided in two parts, 4225 and 439, that added together give a palindrome (4664).

The spelling of 4225439 in words is "four million, two hundred twenty-five thousand, four hundred thirty-nine".