1315324222 has 4 divisors (see below), whose sum is σ = 1972986336. Its totient is φ = 657662110.

The previous prime is 1315324193. The next prime is 1315324223. The reversal of 1315324222 is 2224235131.

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

It is a super-4 number, since 4×1315324222⁴ (a number of 38 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315324223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328831054 + ... + 328831057.

It is an arithmetic number, because the mean of its divisors is an integer number (493246584).

Almost surely, 2^1315324222 is an apocalyptic number.

1315324222 is a deficient number, since it is larger than the sum of its proper divisors (657662114).

1315324222 is an equidigital number, since it uses as much as digits as its factorization.

1315324222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657662113.

The product of its digits is 2880, while the sum is 25.

The square root of 1315324222 is about 36267.3988866034. The cubic root of 1315324222 is about 1095.6645388299.

Adding to 1315324222 its reverse (2224235131), we get a palindrome (3539559353).

The spelling of 1315324222 in words is "one billion, three hundred fifteen million, three hundred twenty-four thousand, two hundred twenty-two".