4220435 has 4 divisors (see below), whose sum is σ = 5064528. Its totient is φ = 3376344.

The previous prime is 4220423. The next prime is 4220441. The reversal of 4220435 is 5340224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4220435 - 2²⁰ = 3171859 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 422039 + ... + 422048.

It is an arithmetic number, because the mean of its divisors is an integer number (1266132).

Almost surely, 2^4220435 is an apocalyptic number.

4220435 is a deficient number, since it is larger than the sum of its proper divisors (844093).

4220435 is an equidigital number, since it uses as much as digits as its factorization.

4220435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844092.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 4220435 is about 2054.3697330325. The cubic root of 4220435 is about 161.6041113183.

Adding to 4220435 its reverse (5340224), we get a palindrome (9560659).

The spelling of 4220435 in words is "four million, two hundred twenty thousand, four hundred thirty-five".