1002255506 has 12 divisors (see below), whose sum is σ = 1748833758. Its totient is φ = 429538032.

The previous prime is 1002255487. The next prime is 1002255509. The reversal of 1002255506 is 6055522001.

It can be written as a sum of positive squares in only one way, i.e., 997991281 + 4264225 = 31591^2 + 2065^2 .

It is not an unprimeable number, because it can be changed into a prime (1002255509) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 5113451 + ... + 5113646.

Almost surely, 2^1002255506 is an apocalyptic number.

1002255506 is a deficient number, since it is larger than the sum of its proper divisors (746578252).

1002255506 is a wasteful number, since it uses less digits than its factorization.

1002255506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10227113 (or 10227106 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 1002255506 is about 31658.4191961633. The cubic root of 1002255506 is about 1000.7512707842.

Adding to 1002255506 its reverse (6055522001), we get a palindrome (7057777507).

The spelling of 1002255506 in words is "one billion, two million, two hundred fifty-five thousand, five hundred six".