4222422 has 16 divisors (see below), whose sum is σ = 9383280. Its totient is φ = 1407456.

The previous prime is 4222399. The next prime is 4222483. The reversal of 4222422 is 2242224.

4222422 is a `hidden beast` number, since 422 + 242 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 4222395 and 4222404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39043 + ... + 39150.

It is an arithmetic number, because the mean of its divisors is an integer number (586455).

Almost surely, 2^4222422 is an apocalyptic number.

4222422 is an abundant number, since it is smaller than the sum of its proper divisors (5160858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4222422 is a wasteful number, since it uses less digits than its factorization.

4222422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78204 (or 78198 counting only the distinct ones).

The product of its digits is 512, while the sum is 18.

The square root of 4222422 is about 2054.8532794338. The cubic root of 4222422 is about 161.6294686562.

Adding to 4222422 its reverse (2242224), we get a palindrome (6464646).

The spelling of 4222422 in words is "four million, two hundred twenty-two thousand, four hundred twenty-two".