4221322 has 16 divisors (see below), whose sum is σ = 7356672. Its totient is φ = 1779120.

The previous prime is 4221313. The next prime is 4221323. The reversal of 4221322 is 2231224.

It is a junction number, because it is equal to n+sod(n) for n = 4221296 and 4221305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4221323) 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, 1618 + ... + 3325.

It is an arithmetic number, because the mean of its divisors is an integer number (459792).

Almost surely, 2^4221322 is an apocalyptic number.

4221322 is a deficient number, since it is larger than the sum of its proper divisors (3135350).

4221322 is a wasteful number, since it uses less digits than its factorization.

4221322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5013.

The product of its digits is 192, while the sum is 16.

The square root of 4221322 is about 2054.5856029866. The cubic root of 4221322 is about 161.6154318580.

Adding to 4221322 its reverse (2231224), we get a palindrome (6452546).

The spelling of 4221322 in words is "four million, two hundred twenty-one thousand, three hundred twenty-two".