2002021022 has 8 divisors (see below), whose sum is σ = 3003804216. Its totient is φ = 1000752952.

The previous prime is 2002021019. The next prime is 2002021027. The reversal of 2002021022 is 2201202002.

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

It is a junction number, because it is equal to n+sod(n) for n = 2002020994 and 2002021012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002021027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118913 + ... + 134700.

It is an arithmetic number, because the mean of its divisors is an integer number (375475527).

Almost surely, 2^2002021022 is an apocalyptic number.

2002021022 is a deficient number, since it is larger than the sum of its proper divisors (1001783194).

2002021022 is a wasteful number, since it uses less digits than its factorization.

2002021022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257562.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 2002021022 is about 44743.9495574541. The cubic root of 2002021022 is about 1260.3452950522.

Adding to 2002021022 its reverse (2201202002), we get a palindrome (4203223024).

The spelling of 2002021022 in words is "two billion, two million, twenty-one thousand, twenty-two".