4002022 has 8 divisors (see below), whose sum is σ = 6012216. Its totient is φ = 1997952.

The previous prime is 4002017. The next prime is 4002041. The reversal of 4002022 is 2202004.

It is a happy number.

4002022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 838 + ... + 2950.

It is an arithmetic number, because the mean of its divisors is an integer number (751527).

Almost surely, 2^4002022 is an apocalyptic number.

4002022 is a deficient number, since it is larger than the sum of its proper divisors (2010194).

4002022 is a wasteful number, since it uses less digits than its factorization.

4002022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3062.

The product of its (nonzero) digits is 32, while the sum is 10.

The square root of 4002022 is about 2000.5054361336. The cubic root of 4002022 is about 158.7668483988.

Adding to 4002022 its reverse (2202004), we get a palindrome (6204026).

The spelling of 4002022 in words is "four million, two thousand, twenty-two".