1315224215 has 8 divisors (see below), whose sum is σ = 1578582000. Its totient is φ = 1051970752.

The previous prime is 1315224161. The next prime is 1315224217. The reversal of 1315224215 is 5124225131.

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

It is a cyclic number.

It is not a de Polignac number, because 1315224215 - 2⁶ = 1315224151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315224217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5036 + ... + 51534.

It is an arithmetic number, because the mean of its divisors is an integer number (197322750).

Almost surely, 2^1315224215 is an apocalyptic number.

1315224215 is a deficient number, since it is larger than the sum of its proper divisors (263357785).

1315224215 is an equidigital number, since it uses as much as digits as its factorization.

1315224215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52161.

The product of its digits is 2400, while the sum is 26.

The square root of 1315224215 is about 36266.0201152539. The cubic root of 1315224215 is about 1095.6367695294.

Adding to 1315224215 its reverse (5124225131), we get a palindrome (6439449346).

The spelling of 1315224215 in words is "one billion, three hundred fifteen million, two hundred twenty-four thousand, two hundred fifteen".