4002022006 has 4 divisors (see below), whose sum is σ = 6003033012. Its totient is φ = 2001011002.

The previous prime is 4002021977. The next prime is 4002022027. The reversal of 4002022006 is 6002202004.

It is a semiprime because it is the product of two primes.

It is a super-4 number, since 4×4002022006⁴ (a number of 40 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000505500 + ... + 1000505503.

It is an arithmetic number, because the mean of its divisors is an integer number (1500758253).

Almost surely, 2^4002022006 is an apocalyptic number.

4002022006 is a deficient number, since it is larger than the sum of its proper divisors (2001011006).

4002022006 is a wasteful number, since it uses less digits than its factorization.

4002022006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2001011005.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 4002022006 is about 63261.5365447283. The cubic root of 4002022006 is about 1587.6684847817.

It can be divided in two parts, 40020 and 22006, that added together give a palindrome (62026).

The spelling of 4002022006 in words is "four billion, two million, twenty-two thousand, six".