1315242224 has 20 divisors (see below), whose sum is σ = 2549316744. Its totient is φ = 657354048.

The previous prime is 1315242199. The next prime is 1315242251. The reversal of 1315242224 is 4222425131.

It is a junction number, because it is equal to n+sod(n) for n = 1315242193 and 1315242202.

It is a congruent 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, 27479 + ... + 58185.

Almost surely, 2^1315242224 is an apocalyptic number.

It is an amenable number.

1315242224 is a deficient number, since it is larger than the sum of its proper divisors (1234074520).

1315242224 is a wasteful number, since it uses less digits than its factorization.

1315242224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33392 (or 33386 counting only the distinct ones).

The product of its digits is 3840, while the sum is 26.

The square root of 1315242224 is about 36266.2684046760. The cubic root of 1315242224 is about 1095.6417702566.

Adding to 1315242224 its reverse (4222425131), we get a palindrome (5537667355).

The spelling of 1315242224 in words is "one billion, three hundred fifteen million, two hundred forty-two thousand, two hundred twenty-four".