4421212 has 12 divisors (see below), whose sum is σ = 7785736. Its totient is φ = 2196720.

The previous prime is 4421203. The next prime is 4421213. The reversal of 4421212 is 2121244.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4421213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2739 + ... + 4042.

Almost surely, 2^4421212 is an apocalyptic number.

It is an amenable number.

4421212 is a deficient number, since it is larger than the sum of its proper divisors (3364524).

4421212 is a wasteful number, since it uses less digits than its factorization.

4421212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6948 (or 6946 counting only the distinct ones).

The product of its digits is 128, while the sum is 16.

The square root of 4421212 is about 2102.6678292113. The cubic root of 4421212 is about 164.1271569855.

Adding to 4421212 its reverse (2121244), we get a palindrome (6542456).

Subtracting from 4421212 its reverse (2121244), we obtain a cube (2299968 = 132³).

The spelling of 4421212 in words is "four million, four hundred twenty-one thousand, two hundred twelve".