4302221 has 16 divisors (see below), whose sum is σ = 5460480. Its totient is φ = 3292080.

The previous prime is 4302203. The next prime is 4302229. The reversal of 4302221 is 1222034.

It is not a de Polignac number, because 4302221 - 2⁶ = 4302157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4302196 and 4302205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4302229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4070 + ... + 5016.

It is an arithmetic number, because the mean of its divisors is an integer number (341280).

Almost surely, 2^4302221 is an apocalyptic number.

It is an amenable number.

4302221 is a deficient number, since it is larger than the sum of its proper divisors (1158259).

4302221 is a wasteful number, since it uses less digits than its factorization.

4302221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 4302221 is about 2074.1795968527. The cubic root of 4302221 is about 162.6413255748.

Adding to 4302221 its reverse (1222034), we get a palindrome (5524255).

The spelling of 4302221 in words is "four million, three hundred two thousand, two hundred twenty-one".