4001324022 has 48 divisors (see below), whose sum is σ = 8997839760. Its totient is φ = 1332705312.

The previous prime is 4001324003. The next prime is 4001324071. The reversal of 4001324022 is 2204231004.

4001324022 is a `hidden beast` number, since 400 + 1 + 3 + 240 + 22 = 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 = 4001323986 and 4001324004.

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, 808668 + ... + 813600.

It is an arithmetic number, because the mean of its divisors is an integer number (187454995).

Almost surely, 2^4001324022 is an apocalyptic number.

4001324022 is an abundant number, since it is smaller than the sum of its proper divisors (4996515738).

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

4001324022 is a wasteful number, since it uses less digits than its factorization.

4001324022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6619 (or 6607 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 4001324022 is about 63256.0196503068. The cubic root of 4001324022 is about 1587.5761788066.

Adding to 4001324022 its reverse (2204231004), we get a palindrome (6205555026).

The spelling of 4001324022 in words is "four billion, one million, three hundred twenty-four thousand, twenty-two".