4222404 has 36 divisors (see below), whose sum is σ = 10879596. Its totient is φ = 1380288.

The previous prime is 4222399. The next prime is 4222483. The reversal of 4222404 is 4042224.

4222404 is a `hidden beast` number, since 422 + 240 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3802500 + 419904 = 1950^2 + 648^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 802 + ... + 3014.

It is an arithmetic number, because the mean of its divisors is an integer number (302211).

Almost surely, 2^4222404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4222404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5439798).

4222404 is an abundant number, since it is smaller than the sum of its proper divisors (6657192).

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

4222404 is a wasteful number, since it uses less digits than its factorization.

4222404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2276 (or 2271 counting only the distinct ones).

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

The square root of 4222404 is about 2054.8488995544. The cubic root of 4222404 is about 161.6292389828.

Adding to 4222404 its reverse (4042224), we get a palindrome (8264628).

The spelling of 4222404 in words is "four million, two hundred twenty-two thousand, four hundred four".