4030422 has 32 divisors (see below), whose sum is σ = 8916480. Its totient is φ = 1204320.

The previous prime is 4030421. The next prime is 4030441. The reversal of 4030422 is 2240304.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4030421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4828 + ... + 5600.

It is an arithmetic number, because the mean of its divisors is an integer number (278640).

Almost surely, 2^4030422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4030422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4458240).

4030422 is an abundant number, since it is smaller than the sum of its proper divisors (4886058).

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

4030422 is a wasteful number, since it uses less digits than its factorization.

4030422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 4030422 is about 2007.5910938236. The cubic root of 4030422 is about 159.1415218754.

Adding to 4030422 its reverse (2240304), we get a palindrome (6270726).

It can be divided in two parts, 40304 and 22, that multiplied together give a palindrome (886688).

The spelling of 4030422 in words is "four million, thirty thousand, four hundred twenty-two".