1317331222 has 8 divisors (see below), whose sum is σ = 1976153400. Its totient is φ = 658613424.

The previous prime is 1317331151. The next prime is 1317331247. The reversal of 1317331222 is 2221337131.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27354 + ... + 58162.

It is an arithmetic number, because the mean of its divisors is an integer number (247019175).

Almost surely, 2^1317331222 is an apocalyptic number.

1317331222 is a deficient number, since it is larger than the sum of its proper divisors (658822178).

1317331222 is a wasteful number, since it uses less digits than its factorization.

1317331222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52190.

The product of its digits is 1512, while the sum is 25.

The square root of 1317331222 is about 36295.0578178352. The cubic root of 1317331222 is about 1096.2215323542.

Adding to 1317331222 its reverse (2221337131), we get a palindrome (3538668353).

The spelling of 1317331222 in words is "one billion, three hundred seventeen million, three hundred thirty-one thousand, two hundred twenty-two".