4000022424 has 96 divisors (see below), whose sum is σ = 11564467200. Its totient is φ = 1245343680.

The previous prime is 4000022417. The next prime is 4000022431. The reversal of 4000022424 is 4242200004.

It is an interprime number because it is at equal distance from previous prime (4000022417) and next prime (4000022431).

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 = 4000022397 and 4000022406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76537 + ... + 117719.

It is an arithmetic number, because the mean of its divisors is an integer number (120463200).

Almost surely, 2^4000022424 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 4000022424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5782233600).

4000022424 is an abundant number, since it is smaller than the sum of its proper divisors (7564444776).

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

4000022424 is a wasteful number, since it uses less digits than its factorization.

4000022424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41285 (or 41278 counting only the distinct ones).

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

The square root of 4000022424 is about 63245.7304804048. The cubic root of 4000022424 is about 1587.4040182861.

Adding to 4000022424 its reverse (4242200004), we get a palindrome (8242222428).

The spelling of 4000022424 in words is "four billion, twenty-two thousand, four hundred twenty-four".