1002205066 has 8 divisors (see below), whose sum is σ = 1539973764. Its totient is φ = 488880480.

The previous prime is 1002205049. The next prime is 1002205091. The reversal of 1002205066 is 6605022001.

It can be written as a sum of positive squares in 2 ways, for example, as 789891025 + 212314041 = 28105^2 + 14571^2 .

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

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, 6110925 + ... + 6111088.

Almost surely, 2^1002205066 is an apocalyptic number.

1002205066 is a deficient number, since it is larger than the sum of its proper divisors (537768698).

1002205066 is a wasteful number, since it uses less digits than its factorization.

1002205066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12222056.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1002205066 is about 31657.6225576085. The cubic root of 1002205066 is about 1000.7344824035.

Adding to 1002205066 its reverse (6605022001), we get a palindrome (7607227067).

The spelling of 1002205066 in words is "one billion, two million, two hundred five thousand, sixty-six".