4213822 has 4 divisors (see below), whose sum is σ = 6320736. Its totient is φ = 2106910.

The previous prime is 4213817. The next prime is 4213837. The reversal of 4213822 is 2283124.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 4213793 and 4213802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1053454 + ... + 1053457.

It is an arithmetic number, because the mean of its divisors is an integer number (1580184).

Almost surely, 2^4213822 is an apocalyptic number.

4213822 is a deficient number, since it is larger than the sum of its proper divisors (2106914).

4213822 is a wasteful number, since it uses less digits than its factorization.

4213822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2106913.

The product of its digits is 768, while the sum is 22.

The square root of 4213822 is about 2052.7596059938. The cubic root of 4213822 is about 161.5196613623.

Adding to 4213822 its reverse (2283124), we get a palindrome (6496946).

The spelling of 4213822 in words is "four million, two hundred thirteen thousand, eight hundred twenty-two".