1002221002 has 8 divisors (see below), whose sum is σ = 1514807712. Its totient is φ = 497285100.

The previous prime is 1002220991. The next prime is 1002221027. The reversal of 1002221002 is 2001222001.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1002221002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1912374 + ... + 1912897.

It is an arithmetic number, because the mean of its divisors is an integer number (189350964).

Almost surely, 2^1002221002 is an apocalyptic number.

1002221002 is a deficient number, since it is larger than the sum of its proper divisors (512586710).

1002221002 is a wasteful number, since it uses less digits than its factorization.

1002221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3825404.

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

The square root of 1002221002 is about 31657.8742495449. The cubic root of 1002221002 is about 1000.7397865809.

Adding to 1002221002 its reverse (2001222001), we get a palindrome (3003443003).

Subtracting 1002221002 from its reverse (2001222001), we obtain a palindrome (999000999).

The spelling of 1002221002 in words is "one billion, two million, two hundred twenty-one thousand, two".