1330222505 has 4 divisors (see below), whose sum is σ = 1596267012. Its totient is φ = 1064178000.

The previous prime is 1330222499. The next prime is 1330222577. The reversal of 1330222505 is 5052220331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 930982144 + 399240361 = 30512^2 + 19981^2 .

It is not a de Polignac number, because 1330222505 - 2¹⁸ = 1329960361 is a prime.

It is a Duffinian number.

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, 133022246 + ... + 133022255.

It is an arithmetic number, because the mean of its divisors is an integer number (399066753).

Almost surely, 2^1330222505 is an apocalyptic number.

It is an amenable number.

1330222505 is a deficient number, since it is larger than the sum of its proper divisors (266044507).

1330222505 is an equidigital number, since it uses as much as digits as its factorization.

1330222505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266044506.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 1330222505 is about 36472.2155208592. The cubic root of 1330222505 is about 1099.7857723309.

Adding to 1330222505 its reverse (5052220331), we get a palindrome (6382442836).

The spelling of 1330222505 in words is "one billion, three hundred thirty million, two hundred twenty-two thousand, five hundred five".