1002021022 has 8 divisors (see below), whose sum is σ = 1504264176. Its totient is φ = 500599632.

The previous prime is 1002021001. The next prime is 1002021037. The reversal of 1002021022 is 2201202001.

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

It is a super-2 number, since 2×1002021022² = 2008092257059848968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202383 + ... + 207274.

It is an arithmetic number, because the mean of its divisors is an integer number (188033022).

Almost surely, 2^1002021022 is an apocalyptic number.

1002021022 is a deficient number, since it is larger than the sum of its proper divisors (502243154).

1002021022 is a wasteful number, since it uses less digits than its factorization.

1002021022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410882.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1002021022 is about 31654.7156360628. The cubic root of 1002021022 is about 1000.6732206722.

Adding to 1002021022 its reverse (2201202001), we get a palindrome (3203223023).

The spelling of 1002021022 in words is "one billion, two million, twenty-one thousand, twenty-two".