1005132218 has 8 divisors (see below), whose sum is σ = 1515352212. Its totient is φ = 500014816.

The previous prime is 1005132217. The next prime is 1005132239. The reversal of 1005132218 is 8122315001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 972379489 + 32752729 = 31183^2 + 5723^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1005132193 and 1005132202.

It is not an unprimeable number, because it can be changed into a prime (1005132217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1275155 + ... + 1275942.

Almost surely, 2^1005132218 is an apocalyptic number.

1005132218 is a deficient number, since it is larger than the sum of its proper divisors (510219994).

1005132218 is a wasteful number, since it uses less digits than its factorization.

1005132218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2551296.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 1005132218 is about 31703.8202429928. The cubic root of 1005132218 is about 1001.7078210203.

Adding to 1005132218 its reverse (8122315001), we get a palindrome (9127447219).

The spelling of 1005132218 in words is "one billion, five million, one hundred thirty-two thousand, two hundred eighteen".