4001430422 has 32 divisors (see below), whose sum is σ = 6692958720. Its totient is φ = 1778942880.

The previous prime is 4001430413. The next prime is 4001430427. The reversal of 4001430422 is 2240341004.

It is a super-2 number, since 2×4001430422² = 32022890844214196168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4001430394 and 4001430403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4001430427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175208 + ... + 196724.

It is an arithmetic number, because the mean of its divisors is an integer number (209154960).

Almost surely, 2^4001430422 is an apocalyptic number.

4001430422 is a deficient number, since it is larger than the sum of its proper divisors (2691528298).

4001430422 is a wasteful number, since it uses less digits than its factorization.

4001430422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21716.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 4001430422 is about 63256.8606713928. The cubic root of 4001430422 is about 1587.5902505328.

Adding to 4001430422 its reverse (2240341004), we get a palindrome (6241771426).

The spelling of 4001430422 in words is "four billion, one million, four hundred thirty thousand, four hundred twenty-two".