4221435 has 8 divisors (see below), whose sum is σ = 6754320. Its totient is φ = 2251424.

The previous prime is 4221433. The next prime is 4221449. The reversal of 4221435 is 5341224.

4221435 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4221435 - 2¹ = 4221433 is a prime.

It is a d-powerful number, because it can be written as 4³ + 2¹⁴ + 2²² + 1 + 4⁶ + 3⁸ + 5² .

It is not an unprimeable number, because it can be changed into a prime (4221433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140700 + ... + 140729.

It is an arithmetic number, because the mean of its divisors is an integer number (844290).

Almost surely, 2^4221435 is an apocalyptic number.

4221435 is a deficient number, since it is larger than the sum of its proper divisors (2532885).

4221435 is a wasteful number, since it uses less digits than its factorization.

4221435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281437.

The product of its digits is 960, while the sum is 21.

The square root of 4221435 is about 2054.6131022652. The cubic root of 4221435 is about 161.6168739324.

Adding to 4221435 its reverse (5341224), we get a palindrome (9562659).

It can be divided in two parts, 4221 and 435, that added together give a triangular number (4656 = T₉₆).

The spelling of 4221435 in words is "four million, two hundred twenty-one thousand, four hundred thirty-five".