1002255532 has 12 divisors (see below), whose sum is σ = 1759662520. Its totient is φ = 499494816.

The previous prime is 1002255523. The next prime is 1002255557. The reversal of 1002255532 is 2355522001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1002255497 and 1002255506.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406857 + ... + 409312.

Almost surely, 2^1002255532 is an apocalyptic number.

It is an amenable number.

1002255532 is a deficient number, since it is larger than the sum of its proper divisors (757406988).

1002255532 is a wasteful number, since it uses less digits than its factorization.

1002255532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816480 (or 816478 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 1002255532 is about 31658.4196067965. The cubic root of 1002255532 is about 1000.7512794379.

Adding to 1002255532 its reverse (2355522001), we get a palindrome (3357777533).

The spelling of 1002255532 in words is "one billion, two million, two hundred fifty-five thousand, five hundred thirty-two".