4220235 has 32 divisors (see below), whose sum is σ = 7687680. Its totient is φ = 2195424.

The previous prime is 4220207. The next prime is 4220239. The reversal of 4220235 is 5320224.

It is not a de Polignac number, because 4220235 - 2⁸ = 4219979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4220239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5442 + ... + 6168.

It is an arithmetic number, because the mean of its divisors is an integer number (240240).

Almost surely, 2^4220235 is an apocalyptic number.

4220235 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4220235 is a deficient number, since it is larger than the sum of its proper divisors (3467445).

4220235 is a wasteful number, since it uses less digits than its factorization.

4220235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784 (or 778 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 4220235 is about 2054.3210557262. The cubic root of 4220235 is about 161.6015585536.

Adding to 4220235 its reverse (5320224), we get a palindrome (9540459).

The spelling of 4220235 in words is "four million, two hundred twenty thousand, two hundred thirty-five".