4425229 has 2 divisors, whose sum is σ = 4425230. Its totient is φ = 4425228.

The previous prime is 4425227. The next prime is 4425241. The reversal of 4425229 is 9225244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2812329 + 1612900 = 1677^2 + 1270^2 .

It is a cyclic number.

It is not a de Polignac number, because 4425229 - 2¹ = 4425227 is a prime.

Together with 4425227, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 4425197 and 4425206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4425221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2212614 + 2212615.

It is an arithmetic number, because the mean of its divisors is an integer number (2212615).

Almost surely, 2^4425229 is an apocalyptic number.

It is an amenable number.

4425229 is a deficient number, since it is larger than the sum of its proper divisors (1).

4425229 is an equidigital number, since it uses as much as digits as its factorization.

4425229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 28.

The square root of 4425229 is about 2103.6228274099. The cubic root of 4425229 is about 164.1768491827.

It can be divided in two parts, 442 and 5229, that added together give a triangular number (5671 = T₁₀₆).

The spelling of 4425229 in words is "four million, four hundred twenty-five thousand, two hundred twenty-nine".