4212223 has 4 divisors (see below), whose sum is σ = 4275160. Its totient is φ = 4149288.

The previous prime is 4212211. The next prime is 4212227. The reversal of 4212223 is 3222124.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4212223 is a prime.

It is a Duffinian number.

4212223 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4212197 and 4212206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4212227) 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, 31368 + ... + 31501.

It is an arithmetic number, because the mean of its divisors is an integer number (1068790).

Almost surely, 2^4212223 is an apocalyptic number.

4212223 is a deficient number, since it is larger than the sum of its proper divisors (62937).

4212223 is an equidigital number, since it uses as much as digits as its factorization.

4212223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62936.

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

The square root of 4212223 is about 2052.3700933311. The cubic root of 4212223 is about 161.4992283988.

Adding to 4212223 its reverse (3222124), we get a palindrome (7434347).

Subtracting from 4212223 its reverse (3222124), we obtain a palindrome (990099).

The spelling of 4212223 in words is "four million, two hundred twelve thousand, two hundred twenty-three".